Home / 20,289.10-27,891.46-17,446.06

Finding the Fourth Proportional to 20,289.10, 27,891.46 and 17,446.06

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Solution

The fourth proportional to 20,289.10, 27,891.46 and 17,446.06 is: 23,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,289.10 : 27,891.46 = 17,446.06 : x
  2. Step 2: Convert to fraction form
    20,289.10/27,891.46 = 17,446.06/x
  3. Step 3: Cross multiply
    20,289.10x = 27,891.46 × 17,446.06
  4. Step 4: Simplify right side
    20,289.10x = 486,596,084.65
  5. Step 5: Solve for x
    x = 486,596,084.65/20,289.10
  6. Step 6: Final answer
    x = 23,983.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.