Home / 28,807.14-39,754.17-16,231.62

Finding the Fourth Proportional to 28,807.14, 39,754.17 and 16,231.62

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Solution

The fourth proportional to 28,807.14, 39,754.17 and 16,231.62 is: 22,399.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,807.14 : 39,754.17 = 16,231.62 : x
  2. Step 2: Convert to fraction form
    28,807.14/39,754.17 = 16,231.62/x
  3. Step 3: Cross multiply
    28,807.14x = 39,754.17 × 16,231.62
  4. Step 4: Simplify right side
    28,807.14x = 645,274,580.86
  5. Step 5: Solve for x
    x = 645,274,580.86/28,807.14
  6. Step 6: Final answer
    x = 22,399.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.