Home / 25,669.96-38,517.18-13,982.92

Finding the Fourth Proportional to 25,669.96, 38,517.18 and 13,982.92

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Solution

The fourth proportional to 25,669.96, 38,517.18 and 13,982.92 is: 20,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,669.96 : 38,517.18 = 13,982.92 : x
  2. Step 2: Convert to fraction form
    25,669.96/38,517.18 = 13,982.92/x
  3. Step 3: Cross multiply
    25,669.96x = 38,517.18 × 13,982.92
  4. Step 4: Simplify right side
    25,669.96x = 538,582,646.57
  5. Step 5: Solve for x
    x = 538,582,646.57/25,669.96
  6. Step 6: Final answer
    x = 20,981.05

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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.