Home / 38,585.80-57,864.30-26,864.20

Finding the Fourth Proportional to 38,585.80, 57,864.30 and 26,864.20

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Solution

The fourth proportional to 38,585.80, 57,864.30 and 26,864.20 is: 40,286.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,585.80 : 57,864.30 = 26,864.20 : x
  2. Step 2: Convert to fraction form
    38,585.80/57,864.30 = 26,864.20/x
  3. Step 3: Cross multiply
    38,585.80x = 57,864.30 × 26,864.20
  4. Step 4: Simplify right side
    38,585.80x = 1,554,478,128.06
  5. Step 5: Solve for x
    x = 1,554,478,128.06/38,585.80
  6. Step 6: Final answer
    x = 40,286.27

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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.