Home / 27,759.28-38,308.71-15,184.03

Finding the Fourth Proportional to 27,759.28, 38,308.71 and 15,184.03

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Solution

The fourth proportional to 27,759.28, 38,308.71 and 15,184.03 is: 20,954.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,759.28 : 38,308.71 = 15,184.03 : x
  2. Step 2: Convert to fraction form
    27,759.28/38,308.71 = 15,184.03/x
  3. Step 3: Cross multiply
    27,759.28x = 38,308.71 × 15,184.03
  4. Step 4: Simplify right side
    27,759.28x = 581,680,601.90
  5. Step 5: Solve for x
    x = 581,680,601.90/27,759.28
  6. Step 6: Final answer
    x = 20,954.46

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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.