Home / 87,492.54-131,259.71-28,328.27

Finding the Fourth Proportional to 87,492.54, 131,259.71 and 28,328.27

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Solution

The fourth proportional to 87,492.54, 131,259.71 and 28,328.27 is: 42,499.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,492.54 : 131,259.71 = 28,328.27 : x
  2. Step 2: Convert to fraction form
    87,492.54/131,259.71 = 28,328.27/x
  3. Step 3: Cross multiply
    87,492.54x = 131,259.71 × 28,328.27
  4. Step 4: Simplify right side
    87,492.54x = 3,718,360,903.97
  5. Step 5: Solve for x
    x = 3,718,360,903.97/87,492.54
  6. Step 6: Final answer
    x = 42,499.18

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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.