Home / 28,802.34-43,186.50-11,251.80

Finding the Fourth Proportional to 28,802.34, 43,186.50 and 11,251.80

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Solution

The fourth proportional to 28,802.34, 43,186.50 and 11,251.80 is: 16,871.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,802.34 : 43,186.50 = 11,251.80 : x
  2. Step 2: Convert to fraction form
    28,802.34/43,186.50 = 11,251.80/x
  3. Step 3: Cross multiply
    28,802.34x = 43,186.50 × 11,251.80
  4. Step 4: Simplify right side
    28,802.34x = 485,925,860.70
  5. Step 5: Solve for x
    x = 485,925,860.70/28,802.34
  6. Step 6: Final answer
    x = 16,871.05

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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.