Home / 28,948.91-43,393.88-13,165.14

Finding the Fourth Proportional to 28,948.91, 43,393.88 and 13,165.14

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Solution

The fourth proportional to 28,948.91, 43,393.88 and 13,165.14 is: 19,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,948.91 : 43,393.88 = 13,165.14 : x
  2. Step 2: Convert to fraction form
    28,948.91/43,393.88 = 13,165.14/x
  3. Step 3: Cross multiply
    28,948.91x = 43,393.88 × 13,165.14
  4. Step 4: Simplify right side
    28,948.91x = 571,286,439.52
  5. Step 5: Solve for x
    x = 571,286,439.52/28,948.91
  6. Step 6: Final answer
    x = 19,734.30

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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.