Home / 28,254.62-42,317.84-16,231.59

Finding the Fourth Proportional to 28,254.62, 42,317.84 and 16,231.59

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Solution

The fourth proportional to 28,254.62, 42,317.84 and 16,231.59 is: 24,310.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,254.62 : 42,317.84 = 16,231.59 : x
  2. Step 2: Convert to fraction form
    28,254.62/42,317.84 = 16,231.59/x
  3. Step 3: Cross multiply
    28,254.62x = 42,317.84 × 16,231.59
  4. Step 4: Simplify right side
    28,254.62x = 686,885,869.14
  5. Step 5: Solve for x
    x = 686,885,869.14/28,254.62
  6. Step 6: Final answer
    x = 24,310.57

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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.