Home / 25,906.32-35,753.49-15,840.66

Finding the Fourth Proportional to 25,906.32, 35,753.49 and 15,840.66

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Solution

The fourth proportional to 25,906.32, 35,753.49 and 15,840.66 is: 21,861.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,906.32 : 35,753.49 = 15,840.66 : x
  2. Step 2: Convert to fraction form
    25,906.32/35,753.49 = 15,840.66/x
  3. Step 3: Cross multiply
    25,906.32x = 35,753.49 × 15,840.66
  4. Step 4: Simplify right side
    25,906.32x = 566,358,878.90
  5. Step 5: Solve for x
    x = 566,358,878.90/25,906.32
  6. Step 6: Final answer
    x = 21,861.80

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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.