Home / 27,759.39-38,308.87-15,184.13

Finding the Fourth Proportional to 27,759.39, 38,308.87 and 15,184.13

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Solution

The fourth proportional to 27,759.39, 38,308.87 and 15,184.13 is: 20,954.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,759.39 : 38,308.87 = 15,184.13 : x
  2. Step 2: Convert to fraction form
    27,759.39/38,308.87 = 15,184.13/x
  3. Step 3: Cross multiply
    27,759.39x = 38,308.87 × 15,184.13
  4. Step 4: Simplify right side
    27,759.39x = 581,686,862.23
  5. Step 5: Solve for x
    x = 581,686,862.23/27,759.39
  6. Step 6: Final answer
    x = 20,954.60

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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.