Home / 26,667.46-39,987.72-8,891.80

Finding the Fourth Proportional to 26,667.46, 39,987.72 and 8,891.80

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Solution

The fourth proportional to 26,667.46, 39,987.72 and 8,891.80 is: 13,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,667.46 : 39,987.72 = 8,891.80 : x
  2. Step 2: Convert to fraction form
    26,667.46/39,987.72 = 8,891.80/x
  3. Step 3: Cross multiply
    26,667.46x = 39,987.72 × 8,891.80
  4. Step 4: Simplify right side
    26,667.46x = 355,562,808.70
  5. Step 5: Solve for x
    x = 355,562,808.70/26,667.46
  6. Step 6: Final answer
    x = 13,333.21

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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.