Home / 21,242.44-29,287.02-13,675.24

Finding the Fourth Proportional to 21,242.44, 29,287.02 and 13,675.24

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Solution

The fourth proportional to 21,242.44, 29,287.02 and 13,675.24 is: 18,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,242.44 : 29,287.02 = 13,675.24 : x
  2. Step 2: Convert to fraction form
    21,242.44/29,287.02 = 13,675.24/x
  3. Step 3: Cross multiply
    21,242.44x = 29,287.02 × 13,675.24
  4. Step 4: Simplify right side
    21,242.44x = 400,507,027.38
  5. Step 5: Solve for x
    x = 400,507,027.38/21,242.44
  6. Step 6: Final answer
    x = 18,854.10

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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.