Home / 27,724.46-38,259.68-15,149.30

Finding the Fourth Proportional to 27,724.46, 38,259.68 and 15,149.30

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Solution

The fourth proportional to 27,724.46, 38,259.68 and 15,149.30 is: 20,905.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,724.46 : 38,259.68 = 15,149.30 : x
  2. Step 2: Convert to fraction form
    27,724.46/38,259.68 = 15,149.30/x
  3. Step 3: Cross multiply
    27,724.46x = 38,259.68 × 15,149.30
  4. Step 4: Simplify right side
    27,724.46x = 579,607,370.22
  5. Step 5: Solve for x
    x = 579,607,370.22/27,724.46
  6. Step 6: Final answer
    x = 20,905.99

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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.