Home / 26,439.32-39,664.85-8,908.70

Finding the Fourth Proportional to 26,439.32, 39,664.85 and 8,908.70

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Solution

The fourth proportional to 26,439.32, 39,664.85 and 8,908.70 is: 13,365.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,439.32 : 39,664.85 = 8,908.70 : x
  2. Step 2: Convert to fraction form
    26,439.32/39,664.85 = 8,908.70/x
  3. Step 3: Cross multiply
    26,439.32x = 39,664.85 × 8,908.70
  4. Step 4: Simplify right side
    26,439.32x = 353,362,006.33
  5. Step 5: Solve for x
    x = 353,362,006.33/26,439.32
  6. Step 6: Final answer
    x = 13,365.02

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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.