Home / 38,407.28-57,610.85-10,705.28

Finding the Fourth Proportional to 38,407.28, 57,610.85 and 10,705.28

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Solution

The fourth proportional to 38,407.28, 57,610.85 and 10,705.28 is: 16,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,407.28 : 57,610.85 = 10,705.28 : x
  2. Step 2: Convert to fraction form
    38,407.28/57,610.85 = 10,705.28/x
  3. Step 3: Cross multiply
    38,407.28x = 57,610.85 × 10,705.28
  4. Step 4: Simplify right side
    38,407.28x = 616,740,451.08
  5. Step 5: Solve for x
    x = 616,740,451.08/38,407.28
  6. Step 6: Final answer
    x = 16,057.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.