Home / 28,989.08-43,483.92-9,267.20

Finding the Fourth Proportional to 28,989.08, 43,483.92 and 9,267.20

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Solution

The fourth proportional to 28,989.08, 43,483.92 and 9,267.20 is: 13,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,989.08 : 43,483.92 = 9,267.20 : x
  2. Step 2: Convert to fraction form
    28,989.08/43,483.92 = 9,267.20/x
  3. Step 3: Cross multiply
    28,989.08x = 43,483.92 × 9,267.20
  4. Step 4: Simplify right side
    28,989.08x = 402,974,183.42
  5. Step 5: Solve for x
    x = 402,974,183.42/28,989.08
  6. Step 6: Final answer
    x = 13,900.90

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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.