Home / 52,487.28-78,708.11-15,039.09

Finding the Fourth Proportional to 52,487.28, 78,708.11 and 15,039.09

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Solution

The fourth proportional to 52,487.28, 78,708.11 and 15,039.09 is: 22,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,487.28 : 78,708.11 = 15,039.09 : x
  2. Step 2: Convert to fraction form
    52,487.28/78,708.11 = 15,039.09/x
  3. Step 3: Cross multiply
    52,487.28x = 78,708.11 × 15,039.09
  4. Step 4: Simplify right side
    52,487.28x = 1,183,698,274.82
  5. Step 5: Solve for x
    x = 1,183,698,274.82/52,487.28
  6. Step 6: Final answer
    x = 22,552.10

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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.