Home / 28,402.03-39,190.19-16,463.03

Finding the Fourth Proportional to 28,402.03, 39,190.19 and 16,463.03

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Solution

The fourth proportional to 28,402.03, 39,190.19 and 16,463.03 is: 22,716.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,402.03 : 39,190.19 = 16,463.03 : x
  2. Step 2: Convert to fraction form
    28,402.03/39,190.19 = 16,463.03/x
  3. Step 3: Cross multiply
    28,402.03x = 39,190.19 × 16,463.03
  4. Step 4: Simplify right side
    28,402.03x = 645,189,191.36
  5. Step 5: Solve for x
    x = 645,189,191.36/28,402.03
  6. Step 6: Final answer
    x = 22,716.31

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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.