Home / 25,839.06-38,934.41-21,261.74

Finding the Fourth Proportional to 25,839.06, 38,934.41 and 21,261.74

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Solution

The fourth proportional to 25,839.06, 38,934.41 and 21,261.74 is: 32,037.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,839.06 : 38,934.41 = 21,261.74 : x
  2. Step 2: Convert to fraction form
    25,839.06/38,934.41 = 21,261.74/x
  3. Step 3: Cross multiply
    25,839.06x = 38,934.41 × 21,261.74
  4. Step 4: Simplify right side
    25,839.06x = 827,813,310.20
  5. Step 5: Solve for x
    x = 827,813,310.20/25,839.06
  6. Step 6: Final answer
    x = 32,037.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.