Home / 26,667.77-39,954.26-12,612.65

Finding the Fourth Proportional to 26,667.77, 39,954.26 and 12,612.65

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Solution

The fourth proportional to 26,667.77, 39,954.26 and 12,612.65 is: 18,896.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,667.77 : 39,954.26 = 12,612.65 : x
  2. Step 2: Convert to fraction form
    26,667.77/39,954.26 = 12,612.65/x
  3. Step 3: Cross multiply
    26,667.77x = 39,954.26 × 12,612.65
  4. Step 4: Simplify right side
    26,667.77x = 503,928,929.15
  5. Step 5: Solve for x
    x = 503,928,929.15/26,667.77
  6. Step 6: Final answer
    x = 18,896.56

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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.