Home / 28,901.34-43,357.05-10,179.90

Finding the Fourth Proportional to 28,901.34, 43,357.05 and 10,179.90

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Solution

The fourth proportional to 28,901.34, 43,357.05 and 10,179.90 is: 15,271.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.34 : 43,357.05 = 10,179.90 : x
  2. Step 2: Convert to fraction form
    28,901.34/43,357.05 = 10,179.90/x
  3. Step 3: Cross multiply
    28,901.34x = 43,357.05 × 10,179.90
  4. Step 4: Simplify right side
    28,901.34x = 441,370,433.30
  5. Step 5: Solve for x
    x = 441,370,433.30/28,901.34
  6. Step 6: Final answer
    x = 15,271.63

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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.