Home / 19,987.18-27,582.40-11,034.52

Finding the Fourth Proportional to 19,987.18, 27,582.40 and 11,034.52

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Solution

The fourth proportional to 19,987.18, 27,582.40 and 11,034.52 is: 15,227.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987.18 : 27,582.40 = 11,034.52 : x
  2. Step 2: Convert to fraction form
    19,987.18/27,582.40 = 11,034.52/x
  3. Step 3: Cross multiply
    19,987.18x = 27,582.40 × 11,034.52
  4. Step 4: Simplify right side
    19,987.18x = 304,358,544.45
  5. Step 5: Solve for x
    x = 304,358,544.45/19,987.18
  6. Step 6: Final answer
    x = 15,227.69

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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.