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Finding the Fourth Proportional to 27,330.70, 40,995.78 and 8,862.70

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Solution

The fourth proportional to 27,330.70, 40,995.78 and 8,862.70 is: 13,293.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,330.70 : 40,995.78 = 8,862.70 : x
  2. Step 2: Convert to fraction form
    27,330.70/40,995.78 = 8,862.70/x
  3. Step 3: Cross multiply
    27,330.70x = 40,995.78 × 8,862.70
  4. Step 4: Simplify right side
    27,330.70x = 363,333,299.41
  5. Step 5: Solve for x
    x = 363,333,299.41/27,330.70
  6. Step 6: Final answer
    x = 13,293.96

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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.