Home / 28,036.44-42,044.19-11,390.87

Finding the Fourth Proportional to 28,036.44, 42,044.19 and 11,390.87

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Solution

The fourth proportional to 28,036.44, 42,044.19 and 11,390.87 is: 17,082.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,036.44 : 42,044.19 = 11,390.87 : x
  2. Step 2: Convert to fraction form
    28,036.44/42,044.19 = 11,390.87/x
  3. Step 3: Cross multiply
    28,036.44x = 42,044.19 × 11,390.87
  4. Step 4: Simplify right side
    28,036.44x = 478,919,692.32
  5. Step 5: Solve for x
    x = 478,919,692.32/28,036.44
  6. Step 6: Final answer
    x = 17,082.04

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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.