Home / 26,580.22-39,827.76-20,332.66

Finding the Fourth Proportional to 26,580.22, 39,827.76 and 20,332.66

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Solution

The fourth proportional to 26,580.22, 39,827.76 and 20,332.66 is: 30,466.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,580.22 : 39,827.76 = 20,332.66 : x
  2. Step 2: Convert to fraction form
    26,580.22/39,827.76 = 20,332.66/x
  3. Step 3: Cross multiply
    26,580.22x = 39,827.76 × 20,332.66
  4. Step 4: Simplify right side
    26,580.22x = 809,804,302.64
  5. Step 5: Solve for x
    x = 809,804,302.64/26,580.22
  6. Step 6: Final answer
    x = 30,466.43

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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.