Home / 25,229.76-34,819.79-13,900.40

Finding the Fourth Proportional to 25,229.76, 34,819.79 and 13,900.40

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Solution

The fourth proportional to 25,229.76, 34,819.79 and 13,900.40 is: 19,184.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,229.76 : 34,819.79 = 13,900.40 : x
  2. Step 2: Convert to fraction form
    25,229.76/34,819.79 = 13,900.40/x
  3. Step 3: Cross multiply
    25,229.76x = 34,819.79 × 13,900.40
  4. Step 4: Simplify right side
    25,229.76x = 484,008,765.32
  5. Step 5: Solve for x
    x = 484,008,765.32/25,229.76
  6. Step 6: Final answer
    x = 19,184.04

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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.