Home / 27,366.04-37,766.10-15,429.88

Finding the Fourth Proportional to 27,366.04, 37,766.10 and 15,429.88

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Solution

The fourth proportional to 27,366.04, 37,766.10 and 15,429.88 is: 21,293.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,366.04 : 37,766.10 = 15,429.88 : x
  2. Step 2: Convert to fraction form
    27,366.04/37,766.10 = 15,429.88/x
  3. Step 3: Cross multiply
    27,366.04x = 37,766.10 × 15,429.88
  4. Step 4: Simplify right side
    27,366.04x = 582,726,391.07
  5. Step 5: Solve for x
    x = 582,726,391.07/27,366.04
  6. Step 6: Final answer
    x = 21,293.78

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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.