Home / 28,833.20-43,235.40-13,233.20

Finding the Fourth Proportional to 28,833.20, 43,235.40 and 13,233.20

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Solution

The fourth proportional to 28,833.20, 43,235.40 and 13,233.20 is: 19,843.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,833.20 : 43,235.40 = 13,233.20 : x
  2. Step 2: Convert to fraction form
    28,833.20/43,235.40 = 13,233.20/x
  3. Step 3: Cross multiply
    28,833.20x = 43,235.40 × 13,233.20
  4. Step 4: Simplify right side
    28,833.20x = 572,142,695.28
  5. Step 5: Solve for x
    x = 572,142,695.28/28,833.20
  6. Step 6: Final answer
    x = 19,843.19

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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.