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Finding the Fourth Proportional to 23,014.88, 34,515 and 7,428.88

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Solution

The fourth proportional to 23,014.88, 34,515 and 7,428.88 is: 11,140.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,014.88 : 34,515 = 7,428.88 : x
  2. Step 2: Convert to fraction form
    23,014.88/34,515 = 7,428.88/x
  3. Step 3: Cross multiply
    23,014.88x = 34,515 × 7,428.88
  4. Step 4: Simplify right side
    23,014.88x = 256,407,793.20
  5. Step 5: Solve for x
    x = 256,407,793.20/23,014.88
  6. Step 6: Final answer
    x = 11,140.96

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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.