Home / 52,724.97-78,988.11-26,039.72

Finding the Fourth Proportional to 52,724.97, 78,988.11 and 26,039.72

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Solution

The fourth proportional to 52,724.97, 78,988.11 and 26,039.72 is: 39,010.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,724.97 : 78,988.11 = 26,039.72 : x
  2. Step 2: Convert to fraction form
    52,724.97/78,988.11 = 26,039.72/x
  3. Step 3: Cross multiply
    52,724.97x = 78,988.11 × 26,039.72
  4. Step 4: Simplify right side
    52,724.97x = 2,056,828,367.55
  5. Step 5: Solve for x
    x = 2,056,828,367.55/52,724.97
  6. Step 6: Final answer
    x = 39,010.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.