Home / 19,338.70-29,008.05-15,580.30

Finding the Fourth Proportional to 19,338.70, 29,008.05 and 15,580.30

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Solution

The fourth proportional to 19,338.70, 29,008.05 and 15,580.30 is: 23,370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338.70 : 29,008.05 = 15,580.30 : x
  2. Step 2: Convert to fraction form
    19,338.70/29,008.05 = 15,580.30/x
  3. Step 3: Cross multiply
    19,338.70x = 29,008.05 × 15,580.30
  4. Step 4: Simplify right side
    19,338.70x = 451,954,121.42
  5. Step 5: Solve for x
    x = 451,954,121.42/19,338.70
  6. Step 6: Final answer
    x = 23,370.45

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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.