Home / 28,314.18-42,478.50-10,774.44

Finding the Fourth Proportional to 28,314.18, 42,478.50 and 10,774.44

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Solution

The fourth proportional to 28,314.18, 42,478.50 and 10,774.44 is: 16,164.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,314.18 : 42,478.50 = 10,774.44 : x
  2. Step 2: Convert to fraction form
    28,314.18/42,478.50 = 10,774.44/x
  3. Step 3: Cross multiply
    28,314.18x = 42,478.50 × 10,774.44
  4. Step 4: Simplify right side
    28,314.18x = 457,682,049.54
  5. Step 5: Solve for x
    x = 457,682,049.54/28,314.18
  6. Step 6: Final answer
    x = 16,164.41

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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.