Home / 28,544.96-42,823.76-8,553.65

Finding the Fourth Proportional to 28,544.96, 42,823.76 and 8,553.65

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Solution

The fourth proportional to 28,544.96, 42,823.76 and 8,553.65 is: 12,832.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,544.96 : 42,823.76 = 8,553.65 : x
  2. Step 2: Convert to fraction form
    28,544.96/42,823.76 = 8,553.65/x
  3. Step 3: Cross multiply
    28,544.96x = 42,823.76 × 8,553.65
  4. Step 4: Simplify right side
    28,544.96x = 366,299,197.84
  5. Step 5: Solve for x
    x = 366,299,197.84/28,544.96
  6. Step 6: Final answer
    x = 12,832.36

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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.