Home / 52,394.86-72,305.25-28,521.53

Finding the Fourth Proportional to 52,394.86, 72,305.25 and 28,521.53

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Solution

The fourth proportional to 52,394.86, 72,305.25 and 28,521.53 is: 39,359.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,394.86 : 72,305.25 = 28,521.53 : x
  2. Step 2: Convert to fraction form
    52,394.86/72,305.25 = 28,521.53/x
  3. Step 3: Cross multiply
    52,394.86x = 72,305.25 × 28,521.53
  4. Step 4: Simplify right side
    52,394.86x = 2,062,256,159.70
  5. Step 5: Solve for x
    x = 2,062,256,159.70/52,394.86
  6. Step 6: Final answer
    x = 39,359.89

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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.