Home / 28,535.78-42,799.44-11,003.42

Finding the Fourth Proportional to 28,535.78, 42,799.44 and 11,003.42

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Solution

The fourth proportional to 28,535.78, 42,799.44 and 11,003.42 is: 16,503.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,535.78 : 42,799.44 = 11,003.42 : x
  2. Step 2: Convert to fraction form
    28,535.78/42,799.44 = 11,003.42/x
  3. Step 3: Cross multiply
    28,535.78x = 42,799.44 × 11,003.42
  4. Step 4: Simplify right side
    28,535.78x = 470,940,214.08
  5. Step 5: Solve for x
    x = 470,940,214.08/28,535.78
  6. Step 6: Final answer
    x = 16,503.50

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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.