Home / 27,942.15-38,559.96-15,195.34

Finding the Fourth Proportional to 27,942.15, 38,559.96 and 15,195.34

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Solution

The fourth proportional to 27,942.15, 38,559.96 and 15,195.34 is: 20,969.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,942.15 : 38,559.96 = 15,195.34 : x
  2. Step 2: Convert to fraction form
    27,942.15/38,559.96 = 15,195.34/x
  3. Step 3: Cross multiply
    27,942.15x = 38,559.96 × 15,195.34
  4. Step 4: Simplify right side
    27,942.15x = 585,931,702.59
  5. Step 5: Solve for x
    x = 585,931,702.59/27,942.15
  6. Step 6: Final answer
    x = 20,969.46

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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.