Home / 25,850.70-38,774.64-8,319.18

Finding the Fourth Proportional to 25,850.70, 38,774.64 and 8,319.18

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Solution

The fourth proportional to 25,850.70, 38,774.64 and 8,319.18 is: 12,478.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,850.70 : 38,774.64 = 8,319.18 : x
  2. Step 2: Convert to fraction form
    25,850.70/38,774.64 = 8,319.18/x
  3. Step 3: Cross multiply
    25,850.70x = 38,774.64 × 8,319.18
  4. Step 4: Simplify right side
    25,850.70x = 322,573,209.60
  5. Step 5: Solve for x
    x = 322,573,209.60/25,850.70
  6. Step 6: Final answer
    x = 12,478.32

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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.