Home / 27,255.71-37,613.42-15,319.82

Finding the Fourth Proportional to 27,255.71, 37,613.42 and 15,319.82

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Solution

The fourth proportional to 27,255.71, 37,613.42 and 15,319.82 is: 21,141.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,255.71 : 37,613.42 = 15,319.82 : x
  2. Step 2: Convert to fraction form
    27,255.71/37,613.42 = 15,319.82/x
  3. Step 3: Cross multiply
    27,255.71x = 37,613.42 × 15,319.82
  4. Step 4: Simplify right side
    27,255.71x = 576,230,559.32
  5. Step 5: Solve for x
    x = 576,230,559.32/27,255.71
  6. Step 6: Final answer
    x = 21,141.65

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1.5x scale

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.