Home / 38,178.27-57,256.38-13,217.31

Finding the Fourth Proportional to 38,178.27, 57,256.38 and 13,217.31

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Solution

The fourth proportional to 38,178.27, 57,256.38 and 13,217.31 is: 19,822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,178.27 : 57,256.38 = 13,217.31 : x
  2. Step 2: Convert to fraction form
    38,178.27/57,256.38 = 13,217.31/x
  3. Step 3: Cross multiply
    38,178.27x = 57,256.38 × 13,217.31
  4. Step 4: Simplify right side
    38,178.27x = 756,775,323.94
  5. Step 5: Solve for x
    x = 756,775,323.94/38,178.27
  6. Step 6: Final answer
    x = 19,822.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.