Home / 27,985.68-38,613.24-22,670.52

Finding the Fourth Proportional to 27,985.68, 38,613.24 and 22,670.52

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Solution

The fourth proportional to 27,985.68, 38,613.24 and 22,670.52 is: 31,279.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,985.68 : 38,613.24 = 22,670.52 : x
  2. Step 2: Convert to fraction form
    27,985.68/38,613.24 = 22,670.52/x
  3. Step 3: Cross multiply
    27,985.68x = 38,613.24 × 22,670.52
  4. Step 4: Simplify right side
    27,985.68x = 875,382,229.68
  5. Step 5: Solve for x
    x = 875,382,229.68/27,985.68
  6. Step 6: Final answer
    x = 31,279.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.