Home / 28,240.91-39,013.01-22,568.22

Finding the Fourth Proportional to 28,240.91, 39,013.01 and 22,568.22

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Solution

The fourth proportional to 28,240.91, 39,013.01 and 22,568.22 is: 31,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240.91 : 39,013.01 = 22,568.22 : x
  2. Step 2: Convert to fraction form
    28,240.91/39,013.01 = 22,568.22/x
  3. Step 3: Cross multiply
    28,240.91x = 39,013.01 × 22,568.22
  4. Step 4: Simplify right side
    28,240.91x = 880,454,079.70
  5. Step 5: Solve for x
    x = 880,454,079.70/28,240.91
  6. Step 6: Final answer
    x = 31,176.55

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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.