Home / 27,158.73-37,478.39-15,059.15

Finding the Fourth Proportional to 27,158.73, 37,478.39 and 15,059.15

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Solution

The fourth proportional to 27,158.73, 37,478.39 and 15,059.15 is: 20,781.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,158.73 : 37,478.39 = 15,059.15 : x
  2. Step 2: Convert to fraction form
    27,158.73/37,478.39 = 15,059.15/x
  3. Step 3: Cross multiply
    27,158.73x = 37,478.39 × 15,059.15
  4. Step 4: Simplify right side
    27,158.73x = 564,392,434.08
  5. Step 5: Solve for x
    x = 564,392,434.08/27,158.73
  6. Step 6: Final answer
    x = 20,781.25

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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.