Home / 52,763.97-72,814.27-28,890.64

Finding the Fourth Proportional to 52,763.97, 72,814.27 and 28,890.64

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Solution

The fourth proportional to 52,763.97, 72,814.27 and 28,890.64 is: 39,869.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,763.97 : 72,814.27 = 28,890.64 : x
  2. Step 2: Convert to fraction form
    52,763.97/72,814.27 = 28,890.64/x
  3. Step 3: Cross multiply
    52,763.97x = 72,814.27 × 28,890.64
  4. Step 4: Simplify right side
    52,763.97x = 2,103,650,861.43
  5. Step 5: Solve for x
    x = 2,103,650,861.43/52,763.97
  6. Step 6: Final answer
    x = 39,869.08

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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.