Home / 26,860.97-40,288.28-7,141.05

Finding the Fourth Proportional to 26,860.97, 40,288.28 and 7,141.05

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Solution

The fourth proportional to 26,860.97, 40,288.28 and 7,141.05 is: 10,710.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,860.97 : 40,288.28 = 7,141.05 : x
  2. Step 2: Convert to fraction form
    26,860.97/40,288.28 = 7,141.05/x
  3. Step 3: Cross multiply
    26,860.97x = 40,288.28 × 7,141.05
  4. Step 4: Simplify right side
    26,860.97x = 287,700,586.19
  5. Step 5: Solve for x
    x = 287,700,586.19/26,860.97
  6. Step 6: Final answer
    x = 10,710.73

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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.