Home / 35,785.28-53,665.76-13,593.30

Finding the Fourth Proportional to 35,785.28, 53,665.76 and 13,593.30

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Solution

The fourth proportional to 35,785.28, 53,665.76 and 13,593.30 is: 20,385.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,785.28 : 53,665.76 = 13,593.30 : x
  2. Step 2: Convert to fraction form
    35,785.28/53,665.76 = 13,593.30/x
  3. Step 3: Cross multiply
    35,785.28x = 53,665.76 × 13,593.30
  4. Step 4: Simplify right side
    35,785.28x = 729,494,775.41
  5. Step 5: Solve for x
    x = 729,494,775.41/35,785.28
  6. Step 6: Final answer
    x = 20,385.33

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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.