Home / 27,142.10-40,717.20-9,610.55

Finding the Fourth Proportional to 27,142.10, 40,717.20 and 9,610.55

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Solution

The fourth proportional to 27,142.10, 40,717.20 and 9,610.55 is: 14,417.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,142.10 : 40,717.20 = 9,610.55 : x
  2. Step 2: Convert to fraction form
    27,142.10/40,717.20 = 9,610.55/x
  3. Step 3: Cross multiply
    27,142.10x = 40,717.20 × 9,610.55
  4. Step 4: Simplify right side
    27,142.10x = 391,314,686.46
  5. Step 5: Solve for x
    x = 391,314,686.46/27,142.10
  6. Step 6: Final answer
    x = 14,417.26

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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.