Home / 27,901.08-38,506.20-15,966.12

Finding the Fourth Proportional to 27,901.08, 38,506.20 and 15,966.12

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Solution

The fourth proportional to 27,901.08, 38,506.20 and 15,966.12 is: 22,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,901.08 : 38,506.20 = 15,966.12 : x
  2. Step 2: Convert to fraction form
    27,901.08/38,506.20 = 15,966.12/x
  3. Step 3: Cross multiply
    27,901.08x = 38,506.20 × 15,966.12
  4. Step 4: Simplify right side
    27,901.08x = 614,794,609.94
  5. Step 5: Solve for x
    x = 614,794,609.94/27,901.08
  6. Step 6: Final answer
    x = 22,034.80

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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.