Home / 28,301.21-42,470.24-10,771.19

Finding the Fourth Proportional to 28,301.21, 42,470.24 and 10,771.19

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Solution

The fourth proportional to 28,301.21, 42,470.24 and 10,771.19 is: 16,163.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,301.21 : 42,470.24 = 10,771.19 : x
  2. Step 2: Convert to fraction form
    28,301.21/42,470.24 = 10,771.19/x
  3. Step 3: Cross multiply
    28,301.21x = 42,470.24 × 10,771.19
  4. Step 4: Simplify right side
    28,301.21x = 457,454,758.18
  5. Step 5: Solve for x
    x = 457,454,758.18/28,301.21
  6. Step 6: Final answer
    x = 16,163.79

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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.