Home / 28,057.65-42,087.92-26,638.83

Finding the Fourth Proportional to 28,057.65, 42,087.92 and 26,638.83

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Solution

The fourth proportional to 28,057.65, 42,087.92 and 26,638.83 is: 39,959.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,057.65 : 42,087.92 = 26,638.83 : x
  2. Step 2: Convert to fraction form
    28,057.65/42,087.92 = 26,638.83/x
  3. Step 3: Cross multiply
    28,057.65x = 42,087.92 × 26,638.83
  4. Step 4: Simplify right side
    28,057.65x = 1,121,172,812.74
  5. Step 5: Solve for x
    x = 1,121,172,812.74/28,057.65
  6. Step 6: Final answer
    x = 39,959.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.