Home / 27,724.08-38,259.20-15,148.83

Finding the Fourth Proportional to 27,724.08, 38,259.20 and 15,148.83

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Solution

The fourth proportional to 27,724.08, 38,259.20 and 15,148.83 is: 20,905.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,724.08 : 38,259.20 = 15,148.83 : x
  2. Step 2: Convert to fraction form
    27,724.08/38,259.20 = 15,148.83/x
  3. Step 3: Cross multiply
    27,724.08x = 38,259.20 × 15,148.83
  4. Step 4: Simplify right side
    27,724.08x = 579,582,154.61
  5. Step 5: Solve for x
    x = 579,582,154.61/27,724.08
  6. Step 6: Final answer
    x = 20,905.37

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Double scale
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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.