Home / 28,903.50-43,356.48-9,181.62

Finding the Fourth Proportional to 28,903.50, 43,356.48 and 9,181.62

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Solution

The fourth proportional to 28,903.50, 43,356.48 and 9,181.62 is: 13,772.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.50 : 43,356.48 = 9,181.62 : x
  2. Step 2: Convert to fraction form
    28,903.50/43,356.48 = 9,181.62/x
  3. Step 3: Cross multiply
    28,903.50x = 43,356.48 × 9,181.62
  4. Step 4: Simplify right side
    28,903.50x = 398,082,723.90
  5. Step 5: Solve for x
    x = 398,082,723.90/28,903.50
  6. Step 6: Final answer
    x = 13,772.82

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1.5x scale

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.