Home / 25,845.36-38,769.02-8,077.65

Finding the Fourth Proportional to 25,845.36, 38,769.02 and 8,077.65

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Solution

The fourth proportional to 25,845.36, 38,769.02 and 8,077.65 is: 12,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,845.36 : 38,769.02 = 8,077.65 : x
  2. Step 2: Convert to fraction form
    25,845.36/38,769.02 = 8,077.65/x
  3. Step 3: Cross multiply
    25,845.36x = 38,769.02 × 8,077.65
  4. Step 4: Simplify right side
    25,845.36x = 313,162,659.72
  5. Step 5: Solve for x
    x = 313,162,659.72/25,845.36
  6. Step 6: Final answer
    x = 12,116.79

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1.5x scale

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.