Home / 39,147.71-58,672.35-28,076.00

Finding the Fourth Proportional to 39,147.71, 58,672.35 and 28,076.00

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Solution

The fourth proportional to 39,147.71, 58,672.35 and 28,076.00 is: 42,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,147.71 : 58,672.35 = 28,076.00 : x
  2. Step 2: Convert to fraction form
    39,147.71/58,672.35 = 28,076.00/x
  3. Step 3: Cross multiply
    39,147.71x = 58,672.35 × 28,076.00
  4. Step 4: Simplify right side
    39,147.71x = 1,647,284,605.24
  5. Step 5: Solve for x
    x = 1,647,284,605.24/39,147.71
  6. Step 6: Final answer
    x = 42,078.70

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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.