Home / 27,839.04-38,418.36-15,262.98

Finding the Fourth Proportional to 27,839.04, 38,418.36 and 15,262.98

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Solution

The fourth proportional to 27,839.04, 38,418.36 and 15,262.98 is: 21,063.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,839.04 : 38,418.36 = 15,262.98 : x
  2. Step 2: Convert to fraction form
    27,839.04/38,418.36 = 15,262.98/x
  3. Step 3: Cross multiply
    27,839.04x = 38,418.36 × 15,262.98
  4. Step 4: Simplify right side
    27,839.04x = 586,378,660.31
  5. Step 5: Solve for x
    x = 586,378,660.31/27,839.04
  6. Step 6: Final answer
    x = 21,063.18

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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.