Home / 21,693.31-32,556.45-15,026.08

Finding the Fourth Proportional to 21,693.31, 32,556.45 and 15,026.08

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Solution

The fourth proportional to 21,693.31, 32,556.45 and 15,026.08 is: 22,550.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,693.31 : 32,556.45 = 15,026.08 : x
  2. Step 2: Convert to fraction form
    21,693.31/32,556.45 = 15,026.08/x
  3. Step 3: Cross multiply
    21,693.31x = 32,556.45 × 15,026.08
  4. Step 4: Simplify right side
    21,693.31x = 489,195,822.22
  5. Step 5: Solve for x
    x = 489,195,822.22/21,693.31
  6. Step 6: Final answer
    x = 22,550.54

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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.