Home / 26,900.40-40,338.45-12,101.70

Finding the Fourth Proportional to 26,900.40, 40,338.45 and 12,101.70

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Solution

The fourth proportional to 26,900.40, 40,338.45 and 12,101.70 is: 18,147.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,900.40 : 40,338.45 = 12,101.70 : x
  2. Step 2: Convert to fraction form
    26,900.40/40,338.45 = 12,101.70/x
  3. Step 3: Cross multiply
    26,900.40x = 40,338.45 × 12,101.70
  4. Step 4: Simplify right side
    26,900.40x = 488,163,820.37
  5. Step 5: Solve for x
    x = 488,163,820.37/26,900.40
  6. Step 6: Final answer
    x = 18,147.08

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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.