Home / 19,987.02-27,581.67-11,034.27

Finding the Fourth Proportional to 19,987.02, 27,581.67 and 11,034.27

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Solution

The fourth proportional to 19,987.02, 27,581.67 and 11,034.27 is: 15,227.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987.02 : 27,581.67 = 11,034.27 : x
  2. Step 2: Convert to fraction form
    19,987.02/27,581.67 = 11,034.27/x
  3. Step 3: Cross multiply
    19,987.02x = 27,581.67 × 11,034.27
  4. Step 4: Simplify right side
    19,987.02x = 304,343,593.83
  5. Step 5: Solve for x
    x = 304,343,593.83/19,987.02
  6. Step 6: Final answer
    x = 15,227.06

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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.