Home / 25,691.46-38,476.44-21,900.66

Finding the Fourth Proportional to 25,691.46, 38,476.44 and 21,900.66

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Solution

The fourth proportional to 25,691.46, 38,476.44 and 21,900.66 is: 32,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,691.46 : 38,476.44 = 21,900.66 : x
  2. Step 2: Convert to fraction form
    25,691.46/38,476.44 = 21,900.66/x
  3. Step 3: Cross multiply
    25,691.46x = 38,476.44 × 21,900.66
  4. Step 4: Simplify right side
    25,691.46x = 842,659,430.45
  5. Step 5: Solve for x
    x = 842,659,430.45/25,691.46
  6. Step 6: Final answer
    x = 32,799.20

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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.