Home / 21,976.90-32,965.56-8,826.19

Finding the Fourth Proportional to 21,976.90, 32,965.56 and 8,826.19

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Solution

The fourth proportional to 21,976.90, 32,965.56 and 8,826.19 is: 13,239.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,976.90 : 32,965.56 = 8,826.19 : x
  2. Step 2: Convert to fraction form
    21,976.90/32,965.56 = 8,826.19/x
  3. Step 3: Cross multiply
    21,976.90x = 32,965.56 × 8,826.19
  4. Step 4: Simplify right side
    21,976.90x = 290,960,213.60
  5. Step 5: Solve for x
    x = 290,960,213.60/21,976.90
  6. Step 6: Final answer
    x = 13,239.37

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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.