Home / 28,826.40-43,244.10-9,103.08

Finding the Fourth Proportional to 28,826.40, 43,244.10 and 9,103.08

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Solution

The fourth proportional to 28,826.40, 43,244.10 and 9,103.08 is: 13,656.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,826.40 : 43,244.10 = 9,103.08 : x
  2. Step 2: Convert to fraction form
    28,826.40/43,244.10 = 9,103.08/x
  3. Step 3: Cross multiply
    28,826.40x = 43,244.10 × 9,103.08
  4. Step 4: Simplify right side
    28,826.40x = 393,654,501.83
  5. Step 5: Solve for x
    x = 393,654,501.83/28,826.40
  6. Step 6: Final answer
    x = 13,656.04

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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.