Home / 28,810.38-39,744.18-19,252.61

Finding the Fourth Proportional to 28,810.38, 39,744.18 and 19,252.61

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Solution

The fourth proportional to 28,810.38, 39,744.18 and 19,252.61 is: 26,559.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,810.38 : 39,744.18 = 19,252.61 : x
  2. Step 2: Convert to fraction form
    28,810.38/39,744.18 = 19,252.61/x
  3. Step 3: Cross multiply
    28,810.38x = 39,744.18 × 19,252.61
  4. Step 4: Simplify right side
    28,810.38x = 765,178,998.59
  5. Step 5: Solve for x
    x = 765,178,998.59/28,810.38
  6. Step 6: Final answer
    x = 26,559.14

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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.