Home / 28,374.52-42,562.20-10,845.28

Finding the Fourth Proportional to 28,374.52, 42,562.20 and 10,845.28

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Solution

The fourth proportional to 28,374.52, 42,562.20 and 10,845.28 is: 16,268.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,374.52 : 42,562.20 = 10,845.28 : x
  2. Step 2: Convert to fraction form
    28,374.52/42,562.20 = 10,845.28/x
  3. Step 3: Cross multiply
    28,374.52x = 42,562.20 × 10,845.28
  4. Step 4: Simplify right side
    28,374.52x = 461,598,976.42
  5. Step 5: Solve for x
    x = 461,598,976.42/28,374.52
  6. Step 6: Final answer
    x = 16,268.08

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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.