Home / 26,679.21-40,018.64-10,880.70

Finding the Fourth Proportional to 26,679.21, 40,018.64 and 10,880.70

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Solution

The fourth proportional to 26,679.21, 40,018.64 and 10,880.70 is: 16,320.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,679.21 : 40,018.64 = 10,880.70 : x
  2. Step 2: Convert to fraction form
    26,679.21/40,018.64 = 10,880.70/x
  3. Step 3: Cross multiply
    26,679.21x = 40,018.64 × 10,880.70
  4. Step 4: Simplify right side
    26,679.21x = 435,430,761.84
  5. Step 5: Solve for x
    x = 435,430,761.84/26,679.21
  6. Step 6: Final answer
    x = 16,320.98

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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.