Home / 19,868.49-29,764.53-15,928.38

Finding the Fourth Proportional to 19,868.49, 29,764.53 and 15,928.38

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Solution

The fourth proportional to 19,868.49, 29,764.53 and 15,928.38 is: 23,861.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,868.49 : 29,764.53 = 15,928.38 : x
  2. Step 2: Convert to fraction form
    19,868.49/29,764.53 = 15,928.38/x
  3. Step 3: Cross multiply
    19,868.49x = 29,764.53 × 15,928.38
  4. Step 4: Simplify right side
    19,868.49x = 474,100,744.36
  5. Step 5: Solve for x
    x = 474,100,744.36/19,868.49
  6. Step 6: Final answer
    x = 23,861.94

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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.