Home / 28,126.14-42,192.36-9,408.66

Finding the Fourth Proportional to 28,126.14, 42,192.36 and 9,408.66

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Solution

The fourth proportional to 28,126.14, 42,192.36 and 9,408.66 is: 14,114.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,126.14 : 42,192.36 = 9,408.66 : x
  2. Step 2: Convert to fraction form
    28,126.14/42,192.36 = 9,408.66/x
  3. Step 3: Cross multiply
    28,126.14x = 42,192.36 × 9,408.66
  4. Step 4: Simplify right side
    28,126.14x = 396,973,569.84
  5. Step 5: Solve for x
    x = 396,973,569.84/28,126.14
  6. Step 6: Final answer
    x = 14,114.04

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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.