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Finding the Fourth Proportional to 52,442.80, 72,370.38 and 28,569.22

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Solution

The fourth proportional to 52,442.80, 72,370.38 and 28,569.22 is: 39,425.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,442.80 : 72,370.38 = 28,569.22 : x
  2. Step 2: Convert to fraction form
    52,442.80/72,370.38 = 28,569.22/x
  3. Step 3: Cross multiply
    52,442.80x = 72,370.38 × 28,569.22
  4. Step 4: Simplify right side
    52,442.80x = 2,067,565,307.70
  5. Step 5: Solve for x
    x = 2,067,565,307.70/52,442.80
  6. Step 6: Final answer
    x = 39,425.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.