Home / 26,917.59-40,376.42-12,123.75

Finding the Fourth Proportional to 26,917.59, 40,376.42 and 12,123.75

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Solution

The fourth proportional to 26,917.59, 40,376.42 and 12,123.75 is: 18,185.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,917.59 : 40,376.42 = 12,123.75 : x
  2. Step 2: Convert to fraction form
    26,917.59/40,376.42 = 12,123.75/x
  3. Step 3: Cross multiply
    26,917.59x = 40,376.42 × 12,123.75
  4. Step 4: Simplify right side
    26,917.59x = 489,513,621.98
  5. Step 5: Solve for x
    x = 489,513,621.98/26,917.59
  6. Step 6: Final answer
    x = 18,185.64

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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.