Home / 28,349.66-42,524.53-8,628.19

Finding the Fourth Proportional to 28,349.66, 42,524.53 and 8,628.19

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Solution

The fourth proportional to 28,349.66, 42,524.53 and 8,628.19 is: 12,942.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,349.66 : 42,524.53 = 8,628.19 : x
  2. Step 2: Convert to fraction form
    28,349.66/42,524.53 = 8,628.19/x
  3. Step 3: Cross multiply
    28,349.66x = 42,524.53 × 8,628.19
  4. Step 4: Simplify right side
    28,349.66x = 366,909,596.62
  5. Step 5: Solve for x
    x = 366,909,596.62/28,349.66
  6. Step 6: Final answer
    x = 12,942.29

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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.