Home / 19,326.92-28,817.27-18,977

Finding the Fourth Proportional to 19,326.92, 28,817.27 and 18,977

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Solution

The fourth proportional to 19,326.92, 28,817.27 and 18,977 is: 28,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.92 : 28,817.27 = 18,977 : x
  2. Step 2: Convert to fraction form
    19,326.92/28,817.27 = 18,977/x
  3. Step 3: Cross multiply
    19,326.92x = 28,817.27 × 18,977
  4. Step 4: Simplify right side
    19,326.92x = 546,865,332.79
  5. Step 5: Solve for x
    x = 546,865,332.79/19,326.92
  6. Step 6: Final answer
    x = 28,295.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.