Home / 27,733.50-38,273.18-15,159.06

Finding the Fourth Proportional to 27,733.50, 38,273.18 and 15,159.06

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Solution

The fourth proportional to 27,733.50, 38,273.18 and 15,159.06 is: 20,920.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,733.50 : 38,273.18 = 15,159.06 : x
  2. Step 2: Convert to fraction form
    27,733.50/38,273.18 = 15,159.06/x
  3. Step 3: Cross multiply
    27,733.50x = 38,273.18 × 15,159.06
  4. Step 4: Simplify right side
    27,733.50x = 580,185,356.22
  5. Step 5: Solve for x
    x = 580,185,356.22/27,733.50
  6. Step 6: Final answer
    x = 20,920.02

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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.