Home / 28,834.62-43,251.93-11,312.70

Finding the Fourth Proportional to 28,834.62, 43,251.93 and 11,312.70

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Solution

The fourth proportional to 28,834.62, 43,251.93 and 11,312.70 is: 16,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,834.62 : 43,251.93 = 11,312.70 : x
  2. Step 2: Convert to fraction form
    28,834.62/43,251.93 = 11,312.70/x
  3. Step 3: Cross multiply
    28,834.62x = 43,251.93 × 11,312.70
  4. Step 4: Simplify right side
    28,834.62x = 489,296,108.51
  5. Step 5: Solve for x
    x = 489,296,108.51/28,834.62
  6. Step 6: Final answer
    x = 16,969.05

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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.