Home / 28,849.14-43,271.28-9,124.83

Finding the Fourth Proportional to 28,849.14, 43,271.28 and 9,124.83

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Solution

The fourth proportional to 28,849.14, 43,271.28 and 9,124.83 is: 13,686.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,849.14 : 43,271.28 = 9,124.83 : x
  2. Step 2: Convert to fraction form
    28,849.14/43,271.28 = 9,124.83/x
  3. Step 3: Cross multiply
    28,849.14x = 43,271.28 × 9,124.83
  4. Step 4: Simplify right side
    28,849.14x = 394,843,073.88
  5. Step 5: Solve for x
    x = 394,843,073.88/28,849.14
  6. Step 6: Final answer
    x = 13,686.48

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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.