Home / 27,338.82-37,726.76-15,401.90

Finding the Fourth Proportional to 27,338.82, 37,726.76 and 15,401.90

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Solution

The fourth proportional to 27,338.82, 37,726.76 and 15,401.90 is: 21,254.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,338.82 : 37,726.76 = 15,401.90 : x
  2. Step 2: Convert to fraction form
    27,338.82/37,726.76 = 15,401.90/x
  3. Step 3: Cross multiply
    27,338.82x = 37,726.76 × 15,401.90
  4. Step 4: Simplify right side
    27,338.82x = 581,063,784.84
  5. Step 5: Solve for x
    x = 581,063,784.84/27,338.82
  6. Step 6: Final answer
    x = 21,254.16

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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.