Home / 27,449.15-37,881.68-15,508.13

Finding the Fourth Proportional to 27,449.15, 37,881.68 and 15,508.13

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Solution

The fourth proportional to 27,449.15, 37,881.68 and 15,508.13 is: 21,402.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,449.15 : 37,881.68 = 15,508.13 : x
  2. Step 2: Convert to fraction form
    27,449.15/37,881.68 = 15,508.13/x
  3. Step 3: Cross multiply
    27,449.15x = 37,881.68 × 15,508.13
  4. Step 4: Simplify right side
    27,449.15x = 587,473,751.11
  5. Step 5: Solve for x
    x = 587,473,751.11/27,449.15
  6. Step 6: Final answer
    x = 21,402.26

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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.