Home / 27,839.88-38,418.78-15,264.36

Finding the Fourth Proportional to 27,839.88, 38,418.78 and 15,264.36

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Solution

The fourth proportional to 27,839.88, 38,418.78 and 15,264.36 is: 21,064.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,839.88 : 38,418.78 = 15,264.36 : x
  2. Step 2: Convert to fraction form
    27,839.88/38,418.78 = 15,264.36/x
  3. Step 3: Cross multiply
    27,839.88x = 38,418.78 × 15,264.36
  4. Step 4: Simplify right side
    27,839.88x = 586,438,088.68
  5. Step 5: Solve for x
    x = 586,438,088.68/27,839.88
  6. Step 6: Final answer
    x = 21,064.68

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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.