Home / 28,234.68-42,352.38-10,699.80

Finding the Fourth Proportional to 28,234.68, 42,352.38 and 10,699.80

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Solution

The fourth proportional to 28,234.68, 42,352.38 and 10,699.80 is: 16,049.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,234.68 : 42,352.38 = 10,699.80 : x
  2. Step 2: Convert to fraction form
    28,234.68/42,352.38 = 10,699.80/x
  3. Step 3: Cross multiply
    28,234.68x = 42,352.38 × 10,699.80
  4. Step 4: Simplify right side
    28,234.68x = 453,161,995.52
  5. Step 5: Solve for x
    x = 453,161,995.52/28,234.68
  6. Step 6: Final answer
    x = 16,049.84

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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.