Home / 26,408.54-39,612.90-10,620.74

Finding the Fourth Proportional to 26,408.54, 39,612.90 and 10,620.74

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Solution

The fourth proportional to 26,408.54, 39,612.90 and 10,620.74 is: 15,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,408.54 : 39,612.90 = 10,620.74 : x
  2. Step 2: Convert to fraction form
    26,408.54/39,612.90 = 10,620.74/x
  3. Step 3: Cross multiply
    26,408.54x = 39,612.90 × 10,620.74
  4. Step 4: Simplify right side
    26,408.54x = 420,718,311.55
  5. Step 5: Solve for x
    x = 420,718,311.55/26,408.54
  6. Step 6: Final answer
    x = 15,931.15

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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.