Home / 31,397.38-43,328.42-17,057.22

Finding the Fourth Proportional to 31,397.38, 43,328.42 and 17,057.22

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Solution

The fourth proportional to 31,397.38, 43,328.42 and 17,057.22 is: 23,538.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,397.38 : 43,328.42 = 17,057.22 : x
  2. Step 2: Convert to fraction form
    31,397.38/43,328.42 = 17,057.22/x
  3. Step 3: Cross multiply
    31,397.38x = 43,328.42 × 17,057.22
  4. Step 4: Simplify right side
    31,397.38x = 739,062,392.19
  5. Step 5: Solve for x
    x = 739,062,392.19/31,397.38
  6. Step 6: Final answer
    x = 23,538.98

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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.