Home / 28,012.50-42,027.12-11,369.34

Finding the Fourth Proportional to 28,012.50, 42,027.12 and 11,369.34

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Solution

The fourth proportional to 28,012.50, 42,027.12 and 11,369.34 is: 17,057.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,012.50 : 42,027.12 = 11,369.34 : x
  2. Step 2: Convert to fraction form
    28,012.50/42,027.12 = 11,369.34/x
  3. Step 3: Cross multiply
    28,012.50x = 42,027.12 × 11,369.34
  4. Step 4: Simplify right side
    28,012.50x = 477,820,616.50
  5. Step 5: Solve for x
    x = 477,820,616.50/28,012.50
  6. Step 6: Final answer
    x = 17,057.41

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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.