Home / 25,984.89-38,973.29-8,454.60

Finding the Fourth Proportional to 25,984.89, 38,973.29 and 8,454.60

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Solution

The fourth proportional to 25,984.89, 38,973.29 and 8,454.60 is: 12,680.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,984.89 : 38,973.29 = 8,454.60 : x
  2. Step 2: Convert to fraction form
    25,984.89/38,973.29 = 8,454.60/x
  3. Step 3: Cross multiply
    25,984.89x = 38,973.29 × 8,454.60
  4. Step 4: Simplify right side
    25,984.89x = 329,503,535.36
  5. Step 5: Solve for x
    x = 329,503,535.36/25,984.89
  6. Step 6: Final answer
    x = 12,680.58

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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.