Home / 28,724.65-42,876.44-26,613.85

Finding the Fourth Proportional to 28,724.65, 42,876.44 and 26,613.85

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Solution

The fourth proportional to 28,724.65, 42,876.44 and 26,613.85 is: 39,725.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724.65 : 42,876.44 = 26,613.85 : x
  2. Step 2: Convert to fraction form
    28,724.65/42,876.44 = 26,613.85/x
  3. Step 3: Cross multiply
    28,724.65x = 42,876.44 × 26,613.85
  4. Step 4: Simplify right side
    28,724.65x = 1,141,107,142.69
  5. Step 5: Solve for x
    x = 1,141,107,142.69/28,724.65
  6. Step 6: Final answer
    x = 39,725.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.