Home / 31,672.51-43,475.22-28,007.15

Finding the Fourth Proportional to 31,672.51, 43,475.22 and 28,007.15

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Solution

The fourth proportional to 31,672.51, 43,475.22 and 28,007.15 is: 38,443.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,672.51 : 43,475.22 = 28,007.15 : x
  2. Step 2: Convert to fraction form
    31,672.51/43,475.22 = 28,007.15/x
  3. Step 3: Cross multiply
    31,672.51x = 43,475.22 × 28,007.15
  4. Step 4: Simplify right side
    31,672.51x = 1,217,617,007.82
  5. Step 5: Solve for x
    x = 1,217,617,007.82/31,672.51
  6. Step 6: Final answer
    x = 38,443.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.