Home / 28,862.18-43,287.80-10,137.82

Finding the Fourth Proportional to 28,862.18, 43,287.80 and 10,137.82

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Solution

The fourth proportional to 28,862.18, 43,287.80 and 10,137.82 is: 15,204.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,862.18 : 43,287.80 = 10,137.82 : x
  2. Step 2: Convert to fraction form
    28,862.18/43,287.80 = 10,137.82/x
  3. Step 3: Cross multiply
    28,862.18x = 43,287.80 × 10,137.82
  4. Step 4: Simplify right side
    28,862.18x = 438,843,924.60
  5. Step 5: Solve for x
    x = 438,843,924.60/28,862.18
  6. Step 6: Final answer
    x = 15,204.81

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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.