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Finding the Fourth Proportional to 27,244, 40,875.84 and 13,402.72

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Solution

The fourth proportional to 27,244, 40,875.84 and 13,402.72 is: 20,108.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,244 : 40,875.84 = 13,402.72 : x
  2. Step 2: Convert to fraction form
    27,244/40,875.84 = 13,402.72/x
  3. Step 3: Cross multiply
    27,244x = 40,875.84 × 13,402.72
  4. Step 4: Simplify right side
    27,244x = 547,847,438.28
  5. Step 5: Solve for x
    x = 547,847,438.28/27,244
  6. Step 6: Final answer
    x = 20,108.92

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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.