Home / 27,449.28-37,881.27-15,513.12

Finding the Fourth Proportional to 27,449.28, 37,881.27 and 15,513.12

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Solution

The fourth proportional to 27,449.28, 37,881.27 and 15,513.12 is: 21,408.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,449.28 : 37,881.27 = 15,513.12 : x
  2. Step 2: Convert to fraction form
    27,449.28/37,881.27 = 15,513.12/x
  3. Step 3: Cross multiply
    27,449.28x = 37,881.27 × 15,513.12
  4. Step 4: Simplify right side
    27,449.28x = 587,656,687.26
  5. Step 5: Solve for x
    x = 587,656,687.26/27,449.28
  6. Step 6: Final answer
    x = 21,408.82

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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.