Home / 23,408.64-32,325.60-15,039.84

Finding the Fourth Proportional to 23,408.64, 32,325.60 and 15,039.84

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Solution

The fourth proportional to 23,408.64, 32,325.60 and 15,039.84 is: 20,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,408.64 : 32,325.60 = 15,039.84 : x
  2. Step 2: Convert to fraction form
    23,408.64/32,325.60 = 15,039.84/x
  3. Step 3: Cross multiply
    23,408.64x = 32,325.60 × 15,039.84
  4. Step 4: Simplify right side
    23,408.64x = 486,171,851.90
  5. Step 5: Solve for x
    x = 486,171,851.90/23,408.64
  6. Step 6: Final answer
    x = 20,768.91

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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.