Home / 28,858.18-43,281.80-10,133.82

Finding the Fourth Proportional to 28,858.18, 43,281.80 and 10,133.82

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Solution

The fourth proportional to 28,858.18, 43,281.80 and 10,133.82 is: 15,198.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858.18 : 43,281.80 = 10,133.82 : x
  2. Step 2: Convert to fraction form
    28,858.18/43,281.80 = 10,133.82/x
  3. Step 3: Cross multiply
    28,858.18x = 43,281.80 × 10,133.82
  4. Step 4: Simplify right side
    28,858.18x = 438,609,970.48
  5. Step 5: Solve for x
    x = 438,609,970.48/28,858.18
  6. Step 6: Final answer
    x = 15,198.81

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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.