Home / 21,340.04-32,016.91-8,866.04

Finding the Fourth Proportional to 21,340.04, 32,016.91 and 8,866.04

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Solution

The fourth proportional to 21,340.04, 32,016.91 and 8,866.04 is: 13,301.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,340.04 : 32,016.91 = 8,866.04 : x
  2. Step 2: Convert to fraction form
    21,340.04/32,016.91 = 8,866.04/x
  3. Step 3: Cross multiply
    21,340.04x = 32,016.91 × 8,866.04
  4. Step 4: Simplify right side
    21,340.04x = 283,863,204.74
  5. Step 5: Solve for x
    x = 283,863,204.74/21,340.04
  6. Step 6: Final answer
    x = 13,301.91

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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.