Home / 52,564.30-72,536.07-28,690.78

Finding the Fourth Proportional to 52,564.30, 72,536.07 and 28,690.78

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Solution

The fourth proportional to 52,564.30, 72,536.07 and 28,690.78 is: 39,591.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,564.30 : 72,536.07 = 28,690.78 : x
  2. Step 2: Convert to fraction form
    52,564.30/72,536.07 = 28,690.78/x
  3. Step 3: Cross multiply
    52,564.30x = 72,536.07 × 28,690.78
  4. Step 4: Simplify right side
    52,564.30x = 2,081,116,426.43
  5. Step 5: Solve for x
    x = 2,081,116,426.43/52,564.30
  6. Step 6: Final answer
    x = 39,591.82

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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.