Home / 52,928.64-79,395.12-13,487.04

Finding the Fourth Proportional to 52,928.64, 79,395.12 and 13,487.04

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Solution

The fourth proportional to 52,928.64, 79,395.12 and 13,487.04 is: 20,231.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,928.64 : 79,395.12 = 13,487.04 : x
  2. Step 2: Convert to fraction form
    52,928.64/79,395.12 = 13,487.04/x
  3. Step 3: Cross multiply
    52,928.64x = 79,395.12 × 13,487.04
  4. Step 4: Simplify right side
    52,928.64x = 1,070,805,159.24
  5. Step 5: Solve for x
    x = 1,070,805,159.24/52,928.64
  6. Step 6: Final answer
    x = 20,231.11

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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.