Home / 21,551.04-32,331.96-8,407.26

Finding the Fourth Proportional to 21,551.04, 32,331.96 and 8,407.26

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Solution

The fourth proportional to 21,551.04, 32,331.96 and 8,407.26 is: 12,613.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551.04 : 32,331.96 = 8,407.26 : x
  2. Step 2: Convert to fraction form
    21,551.04/32,331.96 = 8,407.26/x
  3. Step 3: Cross multiply
    21,551.04x = 32,331.96 × 8,407.26
  4. Step 4: Simplify right side
    21,551.04x = 271,823,194.03
  5. Step 5: Solve for x
    x = 271,823,194.03/21,551.04
  6. Step 6: Final answer
    x = 12,613.00

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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.