Home / 26,882.88-40,328.64-9,357.72

Finding the Fourth Proportional to 26,882.88, 40,328.64 and 9,357.72

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Solution

The fourth proportional to 26,882.88, 40,328.64 and 9,357.72 is: 14,038.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,882.88 : 40,328.64 = 9,357.72 : x
  2. Step 2: Convert to fraction form
    26,882.88/40,328.64 = 9,357.72/x
  3. Step 3: Cross multiply
    26,882.88x = 40,328.64 × 9,357.72
  4. Step 4: Simplify right side
    26,882.88x = 377,384,121.10
  5. Step 5: Solve for x
    x = 377,384,121.10/26,882.88
  6. Step 6: Final answer
    x = 14,038.08

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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.