Home / 19,268.52-28,905.60-8,175.20

Finding the Fourth Proportional to 19,268.52, 28,905.60 and 8,175.20

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Solution

The fourth proportional to 19,268.52, 28,905.60 and 8,175.20 is: 12,264.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.52 : 28,905.60 = 8,175.20 : x
  2. Step 2: Convert to fraction form
    19,268.52/28,905.60 = 8,175.20/x
  3. Step 3: Cross multiply
    19,268.52x = 28,905.60 × 8,175.20
  4. Step 4: Simplify right side
    19,268.52x = 236,309,061.12
  5. Step 5: Solve for x
    x = 236,309,061.12/19,268.52
  6. Step 6: Final answer
    x = 12,264.00

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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.