Home / 26,930.76-40,405.86-9,403.17

Finding the Fourth Proportional to 26,930.76, 40,405.86 and 9,403.17

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Solution

The fourth proportional to 26,930.76, 40,405.86 and 9,403.17 is: 14,108.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,930.76 : 40,405.86 = 9,403.17 : x
  2. Step 2: Convert to fraction form
    26,930.76/40,405.86 = 9,403.17/x
  3. Step 3: Cross multiply
    26,930.76x = 40,405.86 × 9,403.17
  4. Step 4: Simplify right side
    26,930.76x = 379,943,170.58
  5. Step 5: Solve for x
    x = 379,943,170.58/26,930.76
  6. Step 6: Final answer
    x = 14,108.15

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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.