Home / 39,410.64-54,408.78-27,328.68

Finding the Fourth Proportional to 39,410.64, 54,408.78 and 27,328.68

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Solution

The fourth proportional to 39,410.64, 54,408.78 and 27,328.68 is: 37,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,410.64 : 54,408.78 = 27,328.68 : x
  2. Step 2: Convert to fraction form
    39,410.64/54,408.78 = 27,328.68/x
  3. Step 3: Cross multiply
    39,410.64x = 54,408.78 × 27,328.68
  4. Step 4: Simplify right side
    39,410.64x = 1,486,920,137.81
  5. Step 5: Solve for x
    x = 1,486,920,137.81/39,410.64
  6. Step 6: Final answer
    x = 37,728.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.