Home / 28,544.78-42,843.13-15,229.06

Finding the Fourth Proportional to 28,544.78, 42,843.13 and 15,229.06

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Solution

The fourth proportional to 28,544.78, 42,843.13 and 15,229.06 is: 22,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,544.78 : 42,843.13 = 15,229.06 : x
  2. Step 2: Convert to fraction form
    28,544.78/42,843.13 = 15,229.06/x
  3. Step 3: Cross multiply
    28,544.78x = 42,843.13 × 15,229.06
  4. Step 4: Simplify right side
    28,544.78x = 652,460,597.36
  5. Step 5: Solve for x
    x = 652,460,597.36/28,544.78
  6. Step 6: Final answer
    x = 22,857.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.