Home / 38,535.64-57,808.10-13,570.53

Finding the Fourth Proportional to 38,535.64, 57,808.10 and 13,570.53

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Solution

The fourth proportional to 38,535.64, 57,808.10 and 13,570.53 is: 20,357.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,535.64 : 57,808.10 = 13,570.53 : x
  2. Step 2: Convert to fraction form
    38,535.64/57,808.10 = 13,570.53/x
  3. Step 3: Cross multiply
    38,535.64x = 57,808.10 × 13,570.53
  4. Step 4: Simplify right side
    38,535.64x = 784,486,487.44
  5. Step 5: Solve for x
    x = 784,486,487.44/38,535.64
  6. Step 6: Final answer
    x = 20,357.43

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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.