Home / 28,251.30-42,384.08-13,046.54

Finding the Fourth Proportional to 28,251.30, 42,384.08 and 13,046.54

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Solution

The fourth proportional to 28,251.30, 42,384.08 and 13,046.54 is: 19,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,251.30 : 42,384.08 = 13,046.54 : x
  2. Step 2: Convert to fraction form
    28,251.30/42,384.08 = 13,046.54/x
  3. Step 3: Cross multiply
    28,251.30x = 42,384.08 × 13,046.54
  4. Step 4: Simplify right side
    28,251.30x = 552,965,595.08
  5. Step 5: Solve for x
    x = 552,965,595.08/28,251.30
  6. Step 6: Final answer
    x = 19,573.10

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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.