Home / 28,932.37-43,390.50-10,209.97

Finding the Fourth Proportional to 28,932.37, 43,390.50 and 10,209.97

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Solution

The fourth proportional to 28,932.37, 43,390.50 and 10,209.97 is: 15,312.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.37 : 43,390.50 = 10,209.97 : x
  2. Step 2: Convert to fraction form
    28,932.37/43,390.50 = 10,209.97/x
  3. Step 3: Cross multiply
    28,932.37x = 43,390.50 × 10,209.97
  4. Step 4: Simplify right side
    28,932.37x = 443,015,703.29
  5. Step 5: Solve for x
    x = 443,015,703.29/28,932.37
  6. Step 6: Final answer
    x = 15,312.11

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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.