Home / 27,808.57-38,375.60-15,061.46

Finding the Fourth Proportional to 27,808.57, 38,375.60 and 15,061.46

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Solution

The fourth proportional to 27,808.57, 38,375.60 and 15,061.46 is: 20,784.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,808.57 : 38,375.60 = 15,061.46 : x
  2. Step 2: Convert to fraction form
    27,808.57/38,375.60 = 15,061.46/x
  3. Step 3: Cross multiply
    27,808.57x = 38,375.60 × 15,061.46
  4. Step 4: Simplify right side
    27,808.57x = 577,992,564.38
  5. Step 5: Solve for x
    x = 577,992,564.38/27,808.57
  6. Step 6: Final answer
    x = 20,784.69

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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.