Home / 28,028.92-42,057.98-11,401.24

Finding the Fourth Proportional to 28,028.92, 42,057.98 and 11,401.24

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Solution

The fourth proportional to 28,028.92, 42,057.98 and 11,401.24 is: 17,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,028.92 : 42,057.98 = 11,401.24 : x
  2. Step 2: Convert to fraction form
    28,028.92/42,057.98 = 11,401.24/x
  3. Step 3: Cross multiply
    28,028.92x = 42,057.98 × 11,401.24
  4. Step 4: Simplify right side
    28,028.92x = 479,513,123.90
  5. Step 5: Solve for x
    x = 479,513,123.90/28,028.92
  6. Step 6: Final answer
    x = 17,107.80

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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.