Home / 26,129.36-39,174.60-11,335.52

Finding the Fourth Proportional to 26,129.36, 39,174.60 and 11,335.52

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Solution

The fourth proportional to 26,129.36, 39,174.60 and 11,335.52 is: 16,994.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,129.36 : 39,174.60 = 11,335.52 : x
  2. Step 2: Convert to fraction form
    26,129.36/39,174.60 = 11,335.52/x
  3. Step 3: Cross multiply
    26,129.36x = 39,174.60 × 11,335.52
  4. Step 4: Simplify right side
    26,129.36x = 444,064,461.79
  5. Step 5: Solve for x
    x = 444,064,461.79/26,129.36
  6. Step 6: Final answer
    x = 16,994.85

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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.