Home / 87,592.69-131,407.52-28,423.76

Finding the Fourth Proportional to 87,592.69, 131,407.52 and 28,423.76

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Solution

The fourth proportional to 87,592.69, 131,407.52 and 28,423.76 is: 42,641.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,592.69 : 131,407.52 = 28,423.76 : x
  2. Step 2: Convert to fraction form
    87,592.69/131,407.52 = 28,423.76/x
  3. Step 3: Cross multiply
    87,592.69x = 131,407.52 × 28,423.76
  4. Step 4: Simplify right side
    87,592.69x = 3,735,095,750.69
  5. Step 5: Solve for x
    x = 3,735,095,750.69/87,592.69
  6. Step 6: Final answer
    x = 42,641.64

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1.5x scale

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.