Home / 27,742.88-38,284.98-15,167.66

Finding the Fourth Proportional to 27,742.88, 38,284.98 and 15,167.66

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Solution

The fourth proportional to 27,742.88, 38,284.98 and 15,167.66 is: 20,931.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,742.88 : 38,284.98 = 15,167.66 : x
  2. Step 2: Convert to fraction form
    27,742.88/38,284.98 = 15,167.66/x
  3. Step 3: Cross multiply
    27,742.88x = 38,284.98 × 15,167.66
  4. Step 4: Simplify right side
    27,742.88x = 580,693,559.75
  5. Step 5: Solve for x
    x = 580,693,559.75/27,742.88
  6. Step 6: Final answer
    x = 20,931.26

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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.