Home / 19,174.30-28,728.60-15,237.70

Finding the Fourth Proportional to 19,174.30, 28,728.60 and 15,237.70

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Solution

The fourth proportional to 19,174.30, 28,728.60 and 15,237.70 is: 22,830.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174.30 : 28,728.60 = 15,237.70 : x
  2. Step 2: Convert to fraction form
    19,174.30/28,728.60 = 15,237.70/x
  3. Step 3: Cross multiply
    19,174.30x = 28,728.60 × 15,237.70
  4. Step 4: Simplify right side
    19,174.30x = 437,757,788.22
  5. Step 5: Solve for x
    x = 437,757,788.22/19,174.30
  6. Step 6: Final answer
    x = 22,830.44

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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.