Home / 27,243.80-37,594.14-15,306.20

Finding the Fourth Proportional to 27,243.80, 37,594.14 and 15,306.20

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Solution

The fourth proportional to 27,243.80, 37,594.14 and 15,306.20 is: 21,121.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,243.80 : 37,594.14 = 15,306.20 : x
  2. Step 2: Convert to fraction form
    27,243.80/37,594.14 = 15,306.20/x
  3. Step 3: Cross multiply
    27,243.80x = 37,594.14 × 15,306.20
  4. Step 4: Simplify right side
    27,243.80x = 575,423,425.67
  5. Step 5: Solve for x
    x = 575,423,425.67/27,243.80
  6. Step 6: Final answer
    x = 21,121.26

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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.