Home / 25,811.60-38,717.40-10,227.20

Finding the Fourth Proportional to 25,811.60, 38,717.40 and 10,227.20

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Solution

The fourth proportional to 25,811.60, 38,717.40 and 10,227.20 is: 15,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,811.60 : 38,717.40 = 10,227.20 : x
  2. Step 2: Convert to fraction form
    25,811.60/38,717.40 = 10,227.20/x
  3. Step 3: Cross multiply
    25,811.60x = 38,717.40 × 10,227.20
  4. Step 4: Simplify right side
    25,811.60x = 395,970,593.28
  5. Step 5: Solve for x
    x = 395,970,593.28/25,811.60
  6. Step 6: Final answer
    x = 15,340.80

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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.