Home / 27,807.47-38,375.26-15,232.22

Finding the Fourth Proportional to 27,807.47, 38,375.26 and 15,232.22

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Solution

The fourth proportional to 27,807.47, 38,375.26 and 15,232.22 is: 21,020.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,807.47 : 38,375.26 = 15,232.22 : x
  2. Step 2: Convert to fraction form
    27,807.47/38,375.26 = 15,232.22/x
  3. Step 3: Cross multiply
    27,807.47x = 38,375.26 × 15,232.22
  4. Step 4: Simplify right side
    27,807.47x = 584,540,172.92
  5. Step 5: Solve for x
    x = 584,540,172.92/27,807.47
  6. Step 6: Final answer
    x = 21,020.98

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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.