Home / 26,666.46-39,986.22-8,890.80

Finding the Fourth Proportional to 26,666.46, 39,986.22 and 8,890.80

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Solution

The fourth proportional to 26,666.46, 39,986.22 and 8,890.80 is: 13,331.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,666.46 : 39,986.22 = 8,890.80 : x
  2. Step 2: Convert to fraction form
    26,666.46/39,986.22 = 8,890.80/x
  3. Step 3: Cross multiply
    26,666.46x = 39,986.22 × 8,890.80
  4. Step 4: Simplify right side
    26,666.46x = 355,509,484.78
  5. Step 5: Solve for x
    x = 355,509,484.78/26,666.46
  6. Step 6: Final answer
    x = 13,331.71

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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.