Home / 26,418.54-39,632.67-21,531

Finding the Fourth Proportional to 26,418.54, 39,632.67 and 21,531

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Solution

The fourth proportional to 26,418.54, 39,632.67 and 21,531 is: 32,300.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,418.54 : 39,632.67 = 21,531 : x
  2. Step 2: Convert to fraction form
    26,418.54/39,632.67 = 21,531/x
  3. Step 3: Cross multiply
    26,418.54x = 39,632.67 × 21,531
  4. Step 4: Simplify right side
    26,418.54x = 853,331,017.77
  5. Step 5: Solve for x
    x = 853,331,017.77/26,418.54
  6. Step 6: Final answer
    x = 32,300.46

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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.