Home / 28,046.76-42,059.20-10,507.02

Finding the Fourth Proportional to 28,046.76, 42,059.20 and 10,507.02

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Solution

The fourth proportional to 28,046.76, 42,059.20 and 10,507.02 is: 15,756.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,046.76 : 42,059.20 = 10,507.02 : x
  2. Step 2: Convert to fraction form
    28,046.76/42,059.20 = 10,507.02/x
  3. Step 3: Cross multiply
    28,046.76x = 42,059.20 × 10,507.02
  4. Step 4: Simplify right side
    28,046.76x = 441,916,855.58
  5. Step 5: Solve for x
    x = 441,916,855.58/28,046.76
  6. Step 6: Final answer
    x = 15,756.43

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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.