Home / 26,427.20-39,640.86-8,909.33

Finding the Fourth Proportional to 26,427.20, 39,640.86 and 8,909.33

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Solution

The fourth proportional to 26,427.20, 39,640.86 and 8,909.33 is: 13,364.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,427.20 : 39,640.86 = 8,909.33 : x
  2. Step 2: Convert to fraction form
    26,427.20/39,640.86 = 8,909.33/x
  3. Step 3: Cross multiply
    26,427.20x = 39,640.86 × 8,909.33
  4. Step 4: Simplify right side
    26,427.20x = 353,173,305.02
  5. Step 5: Solve for x
    x = 353,173,305.02/26,427.20
  6. Step 6: Final answer
    x = 13,364.01

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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.