Home / 26,897.18-40,341.11-8,172.68

Finding the Fourth Proportional to 26,897.18, 40,341.11 and 8,172.68

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Solution

The fourth proportional to 26,897.18, 40,341.11 and 8,172.68 is: 12,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,897.18 : 40,341.11 = 8,172.68 : x
  2. Step 2: Convert to fraction form
    26,897.18/40,341.11 = 8,172.68/x
  3. Step 3: Cross multiply
    26,897.18x = 40,341.11 × 8,172.68
  4. Step 4: Simplify right side
    26,897.18x = 329,694,740.31
  5. Step 5: Solve for x
    x = 329,694,740.31/26,897.18
  6. Step 6: Final answer
    x = 12,257.60

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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.