Home / 21,479.85-32,232.38-8,998.92

Finding the Fourth Proportional to 21,479.85, 32,232.38 and 8,998.92

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Solution

The fourth proportional to 21,479.85, 32,232.38 and 8,998.92 is: 13,503.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,479.85 : 32,232.38 = 8,998.92 : x
  2. Step 2: Convert to fraction form
    21,479.85/32,232.38 = 8,998.92/x
  3. Step 3: Cross multiply
    21,479.85x = 32,232.38 × 8,998.92
  4. Step 4: Simplify right side
    21,479.85x = 290,056,564.04
  5. Step 5: Solve for x
    x = 290,056,564.04/21,479.85
  6. Step 6: Final answer
    x = 13,503.66

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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.