Home / 25,954.39-38,937.06-8,422.86

Finding the Fourth Proportional to 25,954.39, 38,937.06 and 8,422.86

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Solution

The fourth proportional to 25,954.39, 38,937.06 and 8,422.86 is: 12,636.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,954.39 : 38,937.06 = 8,422.86 : x
  2. Step 2: Convert to fraction form
    25,954.39/38,937.06 = 8,422.86/x
  3. Step 3: Cross multiply
    25,954.39x = 38,937.06 × 8,422.86
  4. Step 4: Simplify right side
    25,954.39x = 327,961,405.19
  5. Step 5: Solve for x
    x = 327,961,405.19/25,954.39
  6. Step 6: Final answer
    x = 12,636.07

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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.