Home / 28,359.75-42,544.23-9,641.46

Finding the Fourth Proportional to 28,359.75, 42,544.23 and 9,641.46

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Solution

The fourth proportional to 28,359.75, 42,544.23 and 9,641.46 is: 14,463.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,359.75 : 42,544.23 = 9,641.46 : x
  2. Step 2: Convert to fraction form
    28,359.75/42,544.23 = 9,641.46/x
  3. Step 3: Cross multiply
    28,359.75x = 42,544.23 × 9,641.46
  4. Step 4: Simplify right side
    28,359.75x = 410,188,491.78
  5. Step 5: Solve for x
    x = 410,188,491.78/28,359.75
  6. Step 6: Final answer
    x = 14,463.76

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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.