Home / 26,147.34-39,225.90-8,617.86

Finding the Fourth Proportional to 26,147.34, 39,225.90 and 8,617.86

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Solution

The fourth proportional to 26,147.34, 39,225.90 and 8,617.86 is: 12,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,147.34 : 39,225.90 = 8,617.86 : x
  2. Step 2: Convert to fraction form
    26,147.34/39,225.90 = 8,617.86/x
  3. Step 3: Cross multiply
    26,147.34x = 39,225.90 × 8,617.86
  4. Step 4: Simplify right side
    26,147.34x = 338,043,314.57
  5. Step 5: Solve for x
    x = 338,043,314.57/26,147.34
  6. Step 6: Final answer
    x = 12,928.40

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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.