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Finding the Fourth Proportional to 66,825.50, 100,238.24 and 26,862.66

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Solution

The fourth proportional to 66,825.50, 100,238.24 and 26,862.66 is: 40,293.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,825.50 : 100,238.24 = 26,862.66 : x
  2. Step 2: Convert to fraction form
    66,825.50/100,238.24 = 26,862.66/x
  3. Step 3: Cross multiply
    66,825.50x = 100,238.24 × 26,862.66
  4. Step 4: Simplify right side
    66,825.50x = 2,692,665,827.28
  5. Step 5: Solve for x
    x = 2,692,665,827.28/66,825.50
  6. Step 6: Final answer
    x = 40,293.99

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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.