Home / 26,711.28-40,069.08-9,181.12

Finding the Fourth Proportional to 26,711.28, 40,069.08 and 9,181.12

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Solution

The fourth proportional to 26,711.28, 40,069.08 and 9,181.12 is: 13,772.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,711.28 : 40,069.08 = 9,181.12 : x
  2. Step 2: Convert to fraction form
    26,711.28/40,069.08 = 9,181.12/x
  3. Step 3: Cross multiply
    26,711.28x = 40,069.08 × 9,181.12
  4. Step 4: Simplify right side
    26,711.28x = 367,879,031.77
  5. Step 5: Solve for x
    x = 367,879,031.77/26,711.28
  6. Step 6: Final answer
    x = 13,772.42

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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.