Home / 19,105.02-28,646.87-15,181.38

Finding the Fourth Proportional to 19,105.02, 28,646.87 and 15,181.38

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Solution

The fourth proportional to 19,105.02, 28,646.87 and 15,181.38 is: 22,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,105.02 : 28,646.87 = 15,181.38 : x
  2. Step 2: Convert to fraction form
    19,105.02/28,646.87 = 15,181.38/x
  3. Step 3: Cross multiply
    19,105.02x = 28,646.87 × 15,181.38
  4. Step 4: Simplify right side
    19,105.02x = 434,898,943.37
  5. Step 5: Solve for x
    x = 434,898,943.37/19,105.02
  6. Step 6: Final answer
    x = 22,763.60

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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.