Home / 28,301.96-42,471.36-10,771.94

Finding the Fourth Proportional to 28,301.96, 42,471.36 and 10,771.94

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Solution

The fourth proportional to 28,301.96, 42,471.36 and 10,771.94 is: 16,164.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,301.96 : 42,471.36 = 10,771.94 : x
  2. Step 2: Convert to fraction form
    28,301.96/42,471.36 = 10,771.94/x
  3. Step 3: Cross multiply
    28,301.96x = 42,471.36 × 10,771.94
  4. Step 4: Simplify right side
    28,301.96x = 457,498,729.28
  5. Step 5: Solve for x
    x = 457,498,729.28/28,301.96
  6. Step 6: Final answer
    x = 16,164.92

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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.