Home / 28,862.19-43,293.29-13,279.95

Finding the Fourth Proportional to 28,862.19, 43,293.29 and 13,279.95

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Solution

The fourth proportional to 28,862.19, 43,293.29 and 13,279.95 is: 19,919.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,862.19 : 43,293.29 = 13,279.95 : x
  2. Step 2: Convert to fraction form
    28,862.19/43,293.29 = 13,279.95/x
  3. Step 3: Cross multiply
    28,862.19x = 43,293.29 × 13,279.95
  4. Step 4: Simplify right side
    28,862.19x = 574,932,660.14
  5. Step 5: Solve for x
    x = 574,932,660.14/28,862.19
  6. Step 6: Final answer
    x = 19,919.93

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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.