Home / 27,580.47-38,063.04-15,644.85

Finding the Fourth Proportional to 27,580.47, 38,063.04 and 15,644.85

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Solution

The fourth proportional to 27,580.47, 38,063.04 and 15,644.85 is: 21,591.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,580.47 : 38,063.04 = 15,644.85 : x
  2. Step 2: Convert to fraction form
    27,580.47/38,063.04 = 15,644.85/x
  3. Step 3: Cross multiply
    27,580.47x = 38,063.04 × 15,644.85
  4. Step 4: Simplify right side
    27,580.47x = 595,490,551.34
  5. Step 5: Solve for x
    x = 595,490,551.34/27,580.47
  6. Step 6: Final answer
    x = 21,591.02

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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.