Home / 19,001.52-28,502.28-5,150.52

Finding the Fourth Proportional to 19,001.52, 28,502.28 and 5,150.52

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Solution

The fourth proportional to 19,001.52, 28,502.28 and 5,150.52 is: 7,725.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001.52 : 28,502.28 = 5,150.52 : x
  2. Step 2: Convert to fraction form
    19,001.52/28,502.28 = 5,150.52/x
  3. Step 3: Cross multiply
    19,001.52x = 28,502.28 × 5,150.52
  4. Step 4: Simplify right side
    19,001.52x = 146,801,563.19
  5. Step 5: Solve for x
    x = 146,801,563.19/19,001.52
  6. Step 6: Final answer
    x = 7,725.78

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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.