Home / 21,828.73-32,766.00-19,345.80

Finding the Fourth Proportional to 21,828.73, 32,766.00 and 19,345.80

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Solution

The fourth proportional to 21,828.73, 32,766.00 and 19,345.80 is: 29,039.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,828.73 : 32,766.00 = 19,345.80 : x
  2. Step 2: Convert to fraction form
    21,828.73/32,766.00 = 19,345.80/x
  3. Step 3: Cross multiply
    21,828.73x = 32,766.00 × 19,345.80
  4. Step 4: Simplify right side
    21,828.73x = 633,884,386.07
  5. Step 5: Solve for x
    x = 633,884,386.07/21,828.73
  6. Step 6: Final answer
    x = 29,039.00

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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.