Home / 28,505.52-42,774.48-19,150.02

Finding the Fourth Proportional to 28,505.52, 42,774.48 and 19,150.02

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Solution

The fourth proportional to 28,505.52, 42,774.48 and 19,150.02 is: 28,735.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,505.52 : 42,774.48 = 19,150.02 : x
  2. Step 2: Convert to fraction form
    28,505.52/42,774.48 = 19,150.02/x
  3. Step 3: Cross multiply
    28,505.52x = 42,774.48 × 19,150.02
  4. Step 4: Simplify right side
    28,505.52x = 819,132,147.49
  5. Step 5: Solve for x
    x = 819,132,147.49/28,505.52
  6. Step 6: Final answer
    x = 28,735.91

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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.