Home / 26,390.79-39,558.24-9,512.55

Finding the Fourth Proportional to 26,390.79, 39,558.24 and 9,512.55

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Solution

The fourth proportional to 26,390.79, 39,558.24 and 9,512.55 is: 14,258.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,390.79 : 39,558.24 = 9,512.55 : x
  2. Step 2: Convert to fraction form
    26,390.79/39,558.24 = 9,512.55/x
  3. Step 3: Cross multiply
    26,390.79x = 39,558.24 × 9,512.55
  4. Step 4: Simplify right side
    26,390.79x = 376,299,735.91
  5. Step 5: Solve for x
    x = 376,299,735.91/26,390.79
  6. Step 6: Final answer
    x = 14,258.75

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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.