Home / 31,568.88-43,565.30-17,228.82

Finding the Fourth Proportional to 31,568.88, 43,565.30 and 17,228.82

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Solution

The fourth proportional to 31,568.88, 43,565.30 and 17,228.82 is: 23,775.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,568.88 : 43,565.30 = 17,228.82 : x
  2. Step 2: Convert to fraction form
    31,568.88/43,565.30 = 17,228.82/x
  3. Step 3: Cross multiply
    31,568.88x = 43,565.30 × 17,228.82
  4. Step 4: Simplify right side
    31,568.88x = 750,578,711.95
  5. Step 5: Solve for x
    x = 750,578,711.95/31,568.88
  6. Step 6: Final answer
    x = 23,775.91

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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.