Home / 27,131.07-40,702.11-9,613.20

Finding the Fourth Proportional to 27,131.07, 40,702.11 and 9,613.20

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Solution

The fourth proportional to 27,131.07, 40,702.11 and 9,613.20 is: 14,421.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,131.07 : 40,702.11 = 9,613.20 : x
  2. Step 2: Convert to fraction form
    27,131.07/40,702.11 = 9,613.20/x
  3. Step 3: Cross multiply
    27,131.07x = 40,702.11 × 9,613.20
  4. Step 4: Simplify right side
    27,131.07x = 391,277,523.85
  5. Step 5: Solve for x
    x = 391,277,523.85/27,131.07
  6. Step 6: Final answer
    x = 14,421.75

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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.