Home / 25,626.25-38,439.63-8,986.69

Finding the Fourth Proportional to 25,626.25, 38,439.63 and 8,986.69

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Solution

The fourth proportional to 25,626.25, 38,439.63 and 8,986.69 is: 13,480.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,626.25 : 38,439.63 = 8,986.69 : x
  2. Step 2: Convert to fraction form
    25,626.25/38,439.63 = 8,986.69/x
  3. Step 3: Cross multiply
    25,626.25x = 38,439.63 × 8,986.69
  4. Step 4: Simplify right side
    25,626.25x = 345,445,086.57
  5. Step 5: Solve for x
    x = 345,445,086.57/25,626.25
  6. Step 6: Final answer
    x = 13,480.13

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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.