Home / 27,743.08-38,285.62-15,167.88

Finding the Fourth Proportional to 27,743.08, 38,285.62 and 15,167.88

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Solution

The fourth proportional to 27,743.08, 38,285.62 and 15,167.88 is: 20,931.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,743.08 : 38,285.62 = 15,167.88 : x
  2. Step 2: Convert to fraction form
    27,743.08/38,285.62 = 15,167.88/x
  3. Step 3: Cross multiply
    27,743.08x = 38,285.62 × 15,167.88
  4. Step 4: Simplify right side
    27,743.08x = 580,711,689.89
  5. Step 5: Solve for x
    x = 580,711,689.89/27,743.08
  6. Step 6: Final answer
    x = 20,931.77

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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.