Home / 21,439.72-29,584.02-12,010

Finding the Fourth Proportional to 21,439.72, 29,584.02 and 12,010

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Solution

The fourth proportional to 21,439.72, 29,584.02 and 12,010 is: 16,572.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,439.72 : 29,584.02 = 12,010 : x
  2. Step 2: Convert to fraction form
    21,439.72/29,584.02 = 12,010/x
  3. Step 3: Cross multiply
    21,439.72x = 29,584.02 × 12,010
  4. Step 4: Simplify right side
    21,439.72x = 355,304,080.20
  5. Step 5: Solve for x
    x = 355,304,080.20/21,439.72
  6. Step 6: Final answer
    x = 16,572.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.