Home / 25,808.75-38,686.98-17,489.61

Finding the Fourth Proportional to 25,808.75, 38,686.98 and 17,489.61

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Solution

The fourth proportional to 25,808.75, 38,686.98 and 17,489.61 is: 26,216.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,808.75 : 38,686.98 = 17,489.61 : x
  2. Step 2: Convert to fraction form
    25,808.75/38,686.98 = 17,489.61/x
  3. Step 3: Cross multiply
    25,808.75x = 38,686.98 × 17,489.61
  4. Step 4: Simplify right side
    25,808.75x = 676,620,192.28
  5. Step 5: Solve for x
    x = 676,620,192.28/25,808.75
  6. Step 6: Final answer
    x = 26,216.70

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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.