Home / 27,327.33-37,711.85-15,390.88

Finding the Fourth Proportional to 27,327.33, 37,711.85 and 15,390.88

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Solution

The fourth proportional to 27,327.33, 37,711.85 and 15,390.88 is: 21,239.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,327.33 : 37,711.85 = 15,390.88 : x
  2. Step 2: Convert to fraction form
    27,327.33/37,711.85 = 15,390.88/x
  3. Step 3: Cross multiply
    27,327.33x = 37,711.85 × 15,390.88
  4. Step 4: Simplify right side
    27,327.33x = 580,418,386.69
  5. Step 5: Solve for x
    x = 580,418,386.69/27,327.33
  6. Step 6: Final answer
    x = 21,239.48

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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.