Home / 25,817.60-35,635.92-15,210.66

Finding the Fourth Proportional to 25,817.60, 35,635.92 and 15,210.66

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Solution

The fourth proportional to 25,817.60, 35,635.92 and 15,210.66 is: 20,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,817.60 : 35,635.92 = 15,210.66 : x
  2. Step 2: Convert to fraction form
    25,817.60/35,635.92 = 15,210.66/x
  3. Step 3: Cross multiply
    25,817.60x = 35,635.92 × 15,210.66
  4. Step 4: Simplify right side
    25,817.60x = 542,045,862.91
  5. Step 5: Solve for x
    x = 542,045,862.91/25,817.60
  6. Step 6: Final answer
    x = 20,995.21

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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.