Home / 27,142.10-40,720.35-9,610.10

Finding the Fourth Proportional to 27,142.10, 40,720.35 and 9,610.10

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Solution

The fourth proportional to 27,142.10, 40,720.35 and 9,610.10 is: 14,417.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,142.10 : 40,720.35 = 9,610.10 : x
  2. Step 2: Convert to fraction form
    27,142.10/40,720.35 = 9,610.10/x
  3. Step 3: Cross multiply
    27,142.10x = 40,720.35 × 9,610.10
  4. Step 4: Simplify right side
    27,142.10x = 391,326,635.54
  5. Step 5: Solve for x
    x = 391,326,635.54/27,142.10
  6. Step 6: Final answer
    x = 14,417.70

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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.