Home / 27,553.06-38,026.43-15,456.88

Finding the Fourth Proportional to 27,553.06, 38,026.43 and 15,456.88

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Solution

The fourth proportional to 27,553.06, 38,026.43 and 15,456.88 is: 21,332.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,553.06 : 38,026.43 = 15,456.88 : x
  2. Step 2: Convert to fraction form
    27,553.06/38,026.43 = 15,456.88/x
  3. Step 3: Cross multiply
    27,553.06x = 38,026.43 × 15,456.88
  4. Step 4: Simplify right side
    27,553.06x = 587,769,965.34
  5. Step 5: Solve for x
    x = 587,769,965.34/27,553.06
  6. Step 6: Final answer
    x = 21,332.29

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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.