Home / 87,528.60-131,313.69-28,364.31

Finding the Fourth Proportional to 87,528.60, 131,313.69 and 28,364.31

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Solution

The fourth proportional to 87,528.60, 131,313.69 and 28,364.31 is: 42,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,528.60 : 131,313.69 = 28,364.31 : x
  2. Step 2: Convert to fraction form
    87,528.60/131,313.69 = 28,364.31/x
  3. Step 3: Cross multiply
    87,528.60x = 131,313.69 × 28,364.31
  4. Step 4: Simplify right side
    87,528.60x = 3,724,622,210.40
  5. Step 5: Solve for x
    x = 3,724,622,210.40/87,528.60
  6. Step 6: Final answer
    x = 42,553.20

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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.