Home / 19,538.72-26,974.32-18,352.88

Finding the Fourth Proportional to 19,538.72, 26,974.32 and 18,352.88

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Solution

The fourth proportional to 19,538.72, 26,974.32 and 18,352.88 is: 25,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.72 : 26,974.32 = 18,352.88 : x
  2. Step 2: Convert to fraction form
    19,538.72/26,974.32 = 18,352.88/x
  3. Step 3: Cross multiply
    19,538.72x = 26,974.32 × 18,352.88
  4. Step 4: Simplify right side
    19,538.72x = 495,056,458.04
  5. Step 5: Solve for x
    x = 495,056,458.04/19,538.72
  6. Step 6: Final answer
    x = 25,337.20

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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.