Home / 20,377.91-30,542.27-14,817.47

Finding the Fourth Proportional to 20,377.91, 30,542.27 and 14,817.47

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Solution

The fourth proportional to 20,377.91, 30,542.27 and 14,817.47 is: 22,208.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,377.91 : 30,542.27 = 14,817.47 : x
  2. Step 2: Convert to fraction form
    20,377.91/30,542.27 = 14,817.47/x
  3. Step 3: Cross multiply
    20,377.91x = 30,542.27 × 14,817.47
  4. Step 4: Simplify right side
    20,377.91x = 452,558,942.66
  5. Step 5: Solve for x
    x = 452,558,942.66/20,377.91
  6. Step 6: Final answer
    x = 22,208.31

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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.