Home / 19,571.87-29,320.89-15,167.79

Finding the Fourth Proportional to 19,571.87, 29,320.89 and 15,167.79

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Solution

The fourth proportional to 19,571.87, 29,320.89 and 15,167.79 is: 22,723.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571.87 : 29,320.89 = 15,167.79 : x
  2. Step 2: Convert to fraction form
    19,571.87/29,320.89 = 15,167.79/x
  3. Step 3: Cross multiply
    19,571.87x = 29,320.89 × 15,167.79
  4. Step 4: Simplify right side
    19,571.87x = 444,733,102.13
  5. Step 5: Solve for x
    x = 444,733,102.13/19,571.87
  6. Step 6: Final answer
    x = 22,723.08

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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.