Home / 28,834.39-43,275.89-11,316.52

Finding the Fourth Proportional to 28,834.39, 43,275.89 and 11,316.52

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Solution

The fourth proportional to 28,834.39, 43,275.89 and 11,316.52 is: 16,984.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,834.39 : 43,275.89 = 11,316.52 : x
  2. Step 2: Convert to fraction form
    28,834.39/43,275.89 = 11,316.52/x
  3. Step 3: Cross multiply
    28,834.39x = 43,275.89 × 11,316.52
  4. Step 4: Simplify right side
    28,834.39x = 489,732,474.70
  5. Step 5: Solve for x
    x = 489,732,474.70/28,834.39
  6. Step 6: Final answer
    x = 16,984.32

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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.