Home / 27,629.10-38,127.92-15,053.85

Finding the Fourth Proportional to 27,629.10, 38,127.92 and 15,053.85

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Solution

The fourth proportional to 27,629.10, 38,127.92 and 15,053.85 is: 20,774.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,629.10 : 38,127.92 = 15,053.85 : x
  2. Step 2: Convert to fraction form
    27,629.10/38,127.92 = 15,053.85/x
  3. Step 3: Cross multiply
    27,629.10x = 38,127.92 × 15,053.85
  4. Step 4: Simplify right side
    27,629.10x = 573,971,913.22
  5. Step 5: Solve for x
    x = 573,971,913.22/27,629.10
  6. Step 6: Final answer
    x = 20,774.18

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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.