Home / 52,406.58-72,319.15-28,532.78

Finding the Fourth Proportional to 52,406.58, 72,319.15 and 28,532.78

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Solution

The fourth proportional to 52,406.58, 72,319.15 and 28,532.78 is: 39,374.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,406.58 : 72,319.15 = 28,532.78 : x
  2. Step 2: Convert to fraction form
    52,406.58/72,319.15 = 28,532.78/x
  3. Step 3: Cross multiply
    52,406.58x = 72,319.15 × 28,532.78
  4. Step 4: Simplify right side
    52,406.58x = 2,063,466,181.51
  5. Step 5: Solve for x
    x = 2,063,466,181.51/52,406.58
  6. Step 6: Final answer
    x = 39,374.18

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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.