Home / 28,008.32-41,998.19-9,281.69

Finding the Fourth Proportional to 28,008.32, 41,998.19 and 9,281.69

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Solution

The fourth proportional to 28,008.32, 41,998.19 and 9,281.69 is: 13,917.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,008.32 : 41,998.19 = 9,281.69 : x
  2. Step 2: Convert to fraction form
    28,008.32/41,998.19 = 9,281.69/x
  3. Step 3: Cross multiply
    28,008.32x = 41,998.19 × 9,281.69
  4. Step 4: Simplify right side
    28,008.32x = 389,813,970.15
  5. Step 5: Solve for x
    x = 389,813,970.15/28,008.32
  6. Step 6: Final answer
    x = 13,917.79

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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.