Home / 25,786.77-38,667.39-9,144.30

Finding the Fourth Proportional to 25,786.77, 38,667.39 and 9,144.30

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Solution

The fourth proportional to 25,786.77, 38,667.39 and 9,144.30 is: 13,711.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,786.77 : 38,667.39 = 9,144.30 : x
  2. Step 2: Convert to fraction form
    25,786.77/38,667.39 = 9,144.30/x
  3. Step 3: Cross multiply
    25,786.77x = 38,667.39 × 9,144.30
  4. Step 4: Simplify right side
    25,786.77x = 353,586,325.09
  5. Step 5: Solve for x
    x = 353,586,325.09/25,786.77
  6. Step 6: Final answer
    x = 13,711.93

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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.