Home / 28,902.48-43,357.84-8,913.65

Finding the Fourth Proportional to 28,902.48, 43,357.84 and 8,913.65

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Solution

The fourth proportional to 28,902.48, 43,357.84 and 8,913.65 is: 13,371.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902.48 : 43,357.84 = 8,913.65 : x
  2. Step 2: Convert to fraction form
    28,902.48/43,357.84 = 8,913.65/x
  3. Step 3: Cross multiply
    28,902.48x = 43,357.84 × 8,913.65
  4. Step 4: Simplify right side
    28,902.48x = 386,476,534.03
  5. Step 5: Solve for x
    x = 386,476,534.03/28,902.48
  6. Step 6: Final answer
    x = 13,371.74

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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.