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Finding the Fourth Proportional to 27,201.10, 40,801.11 and 17,899.87

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Solution

The fourth proportional to 27,201.10, 40,801.11 and 17,899.87 is: 26,849.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,201.10 : 40,801.11 = 17,899.87 : x
  2. Step 2: Convert to fraction form
    27,201.10/40,801.11 = 17,899.87/x
  3. Step 3: Cross multiply
    27,201.10x = 40,801.11 × 17,899.87
  4. Step 4: Simplify right side
    27,201.10x = 730,334,564.86
  5. Step 5: Solve for x
    x = 730,334,564.86/27,201.10
  6. Step 6: Final answer
    x = 26,849.45

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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.