Home / 27,456.92-37,892.47-15,520.34

Finding the Fourth Proportional to 27,456.92, 37,892.47 and 15,520.34

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Solution

The fourth proportional to 27,456.92, 37,892.47 and 15,520.34 is: 21,419.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,456.92 : 37,892.47 = 15,520.34 : x
  2. Step 2: Convert to fraction form
    27,456.92/37,892.47 = 15,520.34/x
  3. Step 3: Cross multiply
    27,456.92x = 37,892.47 × 15,520.34
  4. Step 4: Simplify right side
    27,456.92x = 588,104,017.84
  5. Step 5: Solve for x
    x = 588,104,017.84/27,456.92
  6. Step 6: Final answer
    x = 21,419.15

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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.