Home / 27,057.72-37,341.36-15,121.92

Finding the Fourth Proportional to 27,057.72, 37,341.36 and 15,121.92

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Solution

The fourth proportional to 27,057.72, 37,341.36 and 15,121.92 is: 20,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,057.72 : 37,341.36 = 15,121.92 : x
  2. Step 2: Convert to fraction form
    27,057.72/37,341.36 = 15,121.92/x
  3. Step 3: Cross multiply
    27,057.72x = 37,341.36 × 15,121.92
  4. Step 4: Simplify right side
    27,057.72x = 564,673,058.61
  5. Step 5: Solve for x
    x = 564,673,058.61/27,057.72
  6. Step 6: Final answer
    x = 20,869.20

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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.