Home / 25,611.40-35,331.17-17,115.61

Finding the Fourth Proportional to 25,611.40, 35,331.17 and 17,115.61

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Solution

The fourth proportional to 25,611.40, 35,331.17 and 17,115.61 is: 23,611.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,611.40 : 35,331.17 = 17,115.61 : x
  2. Step 2: Convert to fraction form
    25,611.40/35,331.17 = 17,115.61/x
  3. Step 3: Cross multiply
    25,611.40x = 35,331.17 × 17,115.61
  4. Step 4: Simplify right side
    25,611.40x = 604,714,526.56
  5. Step 5: Solve for x
    x = 604,714,526.56/25,611.40
  6. Step 6: Final answer
    x = 23,611.15

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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.