Home / 19,435.50-26,821.80-11,484.54

Finding the Fourth Proportional to 19,435.50, 26,821.80 and 11,484.54

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Solution

The fourth proportional to 19,435.50, 26,821.80 and 11,484.54 is: 15,849.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,435.50 : 26,821.80 = 11,484.54 : x
  2. Step 2: Convert to fraction form
    19,435.50/26,821.80 = 11,484.54/x
  3. Step 3: Cross multiply
    19,435.50x = 26,821.80 × 11,484.54
  4. Step 4: Simplify right side
    19,435.50x = 308,036,034.97
  5. Step 5: Solve for x
    x = 308,036,034.97/19,435.50
  6. Step 6: Final answer
    x = 15,849.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.