Home / 27,680.40-38,204.19-17,336.95

Finding the Fourth Proportional to 27,680.40, 38,204.19 and 17,336.95

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Solution

The fourth proportional to 27,680.40, 38,204.19 and 17,336.95 is: 23,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,680.40 : 38,204.19 = 17,336.95 : x
  2. Step 2: Convert to fraction form
    27,680.40/38,204.19 = 17,336.95/x
  3. Step 3: Cross multiply
    27,680.40x = 38,204.19 × 17,336.95
  4. Step 4: Simplify right side
    27,680.40x = 662,344,036.31
  5. Step 5: Solve for x
    x = 662,344,036.31/27,680.40
  6. Step 6: Final answer
    x = 23,928.27

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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.