Home / 26,884.80-40,328.40-10,252.80

Finding the Fourth Proportional to 26,884.80, 40,328.40 and 10,252.80

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Solution

The fourth proportional to 26,884.80, 40,328.40 and 10,252.80 is: 15,379.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,884.80 : 40,328.40 = 10,252.80 : x
  2. Step 2: Convert to fraction form
    26,884.80/40,328.40 = 10,252.80/x
  3. Step 3: Cross multiply
    26,884.80x = 40,328.40 × 10,252.80
  4. Step 4: Simplify right side
    26,884.80x = 413,479,019.52
  5. Step 5: Solve for x
    x = 413,479,019.52/26,884.80
  6. Step 6: Final answer
    x = 15,379.66

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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.