Home / 28,338.24-42,508.74-10,809.42

Finding the Fourth Proportional to 28,338.24, 42,508.74 and 10,809.42

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Solution

The fourth proportional to 28,338.24, 42,508.74 and 10,809.42 is: 16,214.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,338.24 : 42,508.74 = 10,809.42 : x
  2. Step 2: Convert to fraction form
    28,338.24/42,508.74 = 10,809.42/x
  3. Step 3: Cross multiply
    28,338.24x = 42,508.74 × 10,809.42
  4. Step 4: Simplify right side
    28,338.24x = 459,494,824.33
  5. Step 5: Solve for x
    x = 459,494,824.33/28,338.24
  6. Step 6: Final answer
    x = 16,214.66

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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.