Home / 87,582.60-131,373.81-28,418.27

Finding the Fourth Proportional to 87,582.60, 131,373.81 and 28,418.27

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Solution

The fourth proportional to 87,582.60, 131,373.81 and 28,418.27 is: 42,627.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,582.60 : 131,373.81 = 28,418.27 : x
  2. Step 2: Convert to fraction form
    87,582.60/131,373.81 = 28,418.27/x
  3. Step 3: Cross multiply
    87,582.60x = 131,373.81 × 28,418.27
  4. Step 4: Simplify right side
    87,582.60x = 3,733,415,746.64
  5. Step 5: Solve for x
    x = 3,733,415,746.64/87,582.60
  6. Step 6: Final answer
    x = 42,627.37

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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.