Home / 27,357.18-37,753.39-15,258.71

Finding the Fourth Proportional to 27,357.18, 37,753.39 and 15,258.71

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Solution

The fourth proportional to 27,357.18, 37,753.39 and 15,258.71 is: 21,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,357.18 : 37,753.39 = 15,258.71 : x
  2. Step 2: Convert to fraction form
    27,357.18/37,753.39 = 15,258.71/x
  3. Step 3: Cross multiply
    27,357.18x = 37,753.39 × 15,258.71
  4. Step 4: Simplify right side
    27,357.18x = 576,068,142.98
  5. Step 5: Solve for x
    x = 576,068,142.98/27,357.18
  6. Step 6: Final answer
    x = 21,057.30

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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.