Home / 19,550.72-29,282.28-18,894.56

Finding the Fourth Proportional to 19,550.72, 29,282.28 and 18,894.56

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Solution

The fourth proportional to 19,550.72, 29,282.28 and 18,894.56 is: 28,299.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550.72 : 29,282.28 = 18,894.56 : x
  2. Step 2: Convert to fraction form
    19,550.72/29,282.28 = 18,894.56/x
  3. Step 3: Cross multiply
    19,550.72x = 29,282.28 × 18,894.56
  4. Step 4: Simplify right side
    19,550.72x = 553,275,796.40
  5. Step 5: Solve for x
    x = 553,275,796.40/19,550.72
  6. Step 6: Final answer
    x = 28,299.51

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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.