Home / 28,660.56-42,969.97-19,277.25

Finding the Fourth Proportional to 28,660.56, 42,969.97 and 19,277.25

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Solution

The fourth proportional to 28,660.56, 42,969.97 and 19,277.25 is: 28,901.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,660.56 : 42,969.97 = 19,277.25 : x
  2. Step 2: Convert to fraction form
    28,660.56/42,969.97 = 19,277.25/x
  3. Step 3: Cross multiply
    28,660.56x = 42,969.97 × 19,277.25
  4. Step 4: Simplify right side
    28,660.56x = 828,342,854.18
  5. Step 5: Solve for x
    x = 828,342,854.18/28,660.56
  6. Step 6: Final answer
    x = 28,901.84

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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.