Home / 27,729.17-38,266.17-15,153.92

Finding the Fourth Proportional to 27,729.17, 38,266.17 and 15,153.92

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Solution

The fourth proportional to 27,729.17, 38,266.17 and 15,153.92 is: 20,912.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,729.17 : 38,266.17 = 15,153.92 : x
  2. Step 2: Convert to fraction form
    27,729.17/38,266.17 = 15,153.92/x
  3. Step 3: Cross multiply
    27,729.17x = 38,266.17 × 15,153.92
  4. Step 4: Simplify right side
    27,729.17x = 579,882,478.89
  5. Step 5: Solve for x
    x = 579,882,478.89/27,729.17
  6. Step 6: Final answer
    x = 20,912.36

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Half scale
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Double scale
Find fourth proportional to 27,730.17, 38,267.55 and 15,154.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.