Home / 52,697.28-72,723.32-28,825.52

Finding the Fourth Proportional to 52,697.28, 72,723.32 and 28,825.52

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Solution

The fourth proportional to 52,697.28, 72,723.32 and 28,825.52 is: 39,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,697.28 : 72,723.32 = 28,825.52 : x
  2. Step 2: Convert to fraction form
    52,697.28/72,723.32 = 28,825.52/x
  3. Step 3: Cross multiply
    52,697.28x = 72,723.32 × 28,825.52
  4. Step 4: Simplify right side
    52,697.28x = 2,096,287,515.13
  5. Step 5: Solve for x
    x = 2,096,287,515.13/52,697.28
  6. Step 6: Final answer
    x = 39,779.80

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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.