Home / 28,047.83-42,079.71-11,419.79

Finding the Fourth Proportional to 28,047.83, 42,079.71 and 11,419.79

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Solution

The fourth proportional to 28,047.83, 42,079.71 and 11,419.79 is: 17,132.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,047.83 : 42,079.71 = 11,419.79 : x
  2. Step 2: Convert to fraction form
    28,047.83/42,079.71 = 11,419.79/x
  3. Step 3: Cross multiply
    28,047.83x = 42,079.71 × 11,419.79
  4. Step 4: Simplify right side
    28,047.83x = 480,541,556.66
  5. Step 5: Solve for x
    x = 480,541,556.66/28,047.83
  6. Step 6: Final answer
    x = 17,132.93

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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.