Home / 28,189.10-38,900.97-16,252.33

Finding the Fourth Proportional to 28,189.10, 38,900.97 and 16,252.33

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Solution

The fourth proportional to 28,189.10, 38,900.97 and 16,252.33 is: 22,428.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,189.10 : 38,900.97 = 16,252.33 : x
  2. Step 2: Convert to fraction form
    28,189.10/38,900.97 = 16,252.33/x
  3. Step 3: Cross multiply
    28,189.10x = 38,900.97 × 16,252.33
  4. Step 4: Simplify right side
    28,189.10x = 632,231,401.76
  5. Step 5: Solve for x
    x = 632,231,401.76/28,189.10
  6. Step 6: Final answer
    x = 22,428.22

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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.