Home / 26,367.54-39,556.17-21,480

Finding the Fourth Proportional to 26,367.54, 39,556.17 and 21,480

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Solution

The fourth proportional to 26,367.54, 39,556.17 and 21,480 is: 32,223.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,367.54 : 39,556.17 = 21,480 : x
  2. Step 2: Convert to fraction form
    26,367.54/39,556.17 = 21,480/x
  3. Step 3: Cross multiply
    26,367.54x = 39,556.17 × 21,480
  4. Step 4: Simplify right side
    26,367.54x = 849,666,531.60
  5. Step 5: Solve for x
    x = 849,666,531.60/26,367.54
  6. Step 6: Final answer
    x = 32,223.96

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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.