Home / 27,859.52-38,449.44-16,681.28

Finding the Fourth Proportional to 27,859.52, 38,449.44 and 16,681.28

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Solution

The fourth proportional to 27,859.52, 38,449.44 and 16,681.28 is: 23,022.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,859.52 : 38,449.44 = 16,681.28 : x
  2. Step 2: Convert to fraction form
    27,859.52/38,449.44 = 16,681.28/x
  3. Step 3: Cross multiply
    27,859.52x = 38,449.44 × 16,681.28
  4. Step 4: Simplify right side
    27,859.52x = 641,385,874.48
  5. Step 5: Solve for x
    x = 641,385,874.48/27,859.52
  6. Step 6: Final answer
    x = 23,022.14

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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.