Home / 21,836.23-32,730.81-10,567.78

Finding the Fourth Proportional to 21,836.23, 32,730.81 and 10,567.78

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Solution

The fourth proportional to 21,836.23, 32,730.81 and 10,567.78 is: 15,840.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,836.23 : 32,730.81 = 10,567.78 : x
  2. Step 2: Convert to fraction form
    21,836.23/32,730.81 = 10,567.78/x
  3. Step 3: Cross multiply
    21,836.23x = 32,730.81 × 10,567.78
  4. Step 4: Simplify right side
    21,836.23x = 345,891,999.30
  5. Step 5: Solve for x
    x = 345,891,999.30/21,836.23
  6. Step 6: Final answer
    x = 15,840.28

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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.