Home / 26,801.76-40,208.34-8,083.20

Finding the Fourth Proportional to 26,801.76, 40,208.34 and 8,083.20

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Solution

The fourth proportional to 26,801.76, 40,208.34 and 8,083.20 is: 12,126.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,801.76 : 40,208.34 = 8,083.20 : x
  2. Step 2: Convert to fraction form
    26,801.76/40,208.34 = 8,083.20/x
  3. Step 3: Cross multiply
    26,801.76x = 40,208.34 × 8,083.20
  4. Step 4: Simplify right side
    26,801.76x = 325,012,053.89
  5. Step 5: Solve for x
    x = 325,012,053.89/26,801.76
  6. Step 6: Final answer
    x = 12,126.52

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1.5x scale

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.