Home / 27,839.34-38,418.57-15,901.02

Finding the Fourth Proportional to 27,839.34, 38,418.57 and 15,901.02

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Solution

The fourth proportional to 27,839.34, 38,418.57 and 15,901.02 is: 21,943.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,839.34 : 38,418.57 = 15,901.02 : x
  2. Step 2: Convert to fraction form
    27,839.34/38,418.57 = 15,901.02/x
  3. Step 3: Cross multiply
    27,839.34x = 38,418.57 × 15,901.02
  4. Step 4: Simplify right side
    27,839.34x = 610,894,449.94
  5. Step 5: Solve for x
    x = 610,894,449.94/27,839.34
  6. Step 6: Final answer
    x = 21,943.57

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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.