Home / 28,284.72-39,052.44-17,679.12

Finding the Fourth Proportional to 28,284.72, 39,052.44 and 17,679.12

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Solution

The fourth proportional to 28,284.72, 39,052.44 and 17,679.12 is: 24,409.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,284.72 : 39,052.44 = 17,679.12 : x
  2. Step 2: Convert to fraction form
    28,284.72/39,052.44 = 17,679.12/x
  3. Step 3: Cross multiply
    28,284.72x = 39,052.44 × 17,679.12
  4. Step 4: Simplify right side
    28,284.72x = 690,412,773.05
  5. Step 5: Solve for x
    x = 690,412,773.05/28,284.72
  6. Step 6: Final answer
    x = 24,409.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.