Home / 28,027.33-42,049.22-9,051.55

Finding the Fourth Proportional to 28,027.33, 42,049.22 and 9,051.55

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Solution

The fourth proportional to 28,027.33, 42,049.22 and 9,051.55 is: 13,579.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027.33 : 42,049.22 = 9,051.55 : x
  2. Step 2: Convert to fraction form
    28,027.33/42,049.22 = 9,051.55/x
  3. Step 3: Cross multiply
    28,027.33x = 42,049.22 × 9,051.55
  4. Step 4: Simplify right side
    28,027.33x = 380,610,617.29
  5. Step 5: Solve for x
    x = 380,610,617.29/28,027.33
  6. Step 6: Final answer
    x = 13,579.98

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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.