Home / 25,685.43-38,529.24-8,830.05

Finding the Fourth Proportional to 25,685.43, 38,529.24 and 8,830.05

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Solution

The fourth proportional to 25,685.43, 38,529.24 and 8,830.05 is: 13,245.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,685.43 : 38,529.24 = 8,830.05 : x
  2. Step 2: Convert to fraction form
    25,685.43/38,529.24 = 8,830.05/x
  3. Step 3: Cross multiply
    25,685.43x = 38,529.24 × 8,830.05
  4. Step 4: Simplify right side
    25,685.43x = 340,215,115.66
  5. Step 5: Solve for x
    x = 340,215,115.66/25,685.43
  6. Step 6: Final answer
    x = 13,245.45

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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.