Home / 25,487.20-35,180.40-14,881.12

Finding the Fourth Proportional to 25,487.20, 35,180.40 and 14,881.12

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Solution

The fourth proportional to 25,487.20, 35,180.40 and 14,881.12 is: 20,540.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487.20 : 35,180.40 = 14,881.12 : x
  2. Step 2: Convert to fraction form
    25,487.20/35,180.40 = 14,881.12/x
  3. Step 3: Cross multiply
    25,487.20x = 35,180.40 × 14,881.12
  4. Step 4: Simplify right side
    25,487.20x = 523,523,754.05
  5. Step 5: Solve for x
    x = 523,523,754.05/25,487.20
  6. Step 6: Final answer
    x = 20,540.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.