Home / 26,108.93-39,163.40-7,640.93

Finding the Fourth Proportional to 26,108.93, 39,163.40 and 7,640.93

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Solution

The fourth proportional to 26,108.93, 39,163.40 and 7,640.93 is: 11,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,108.93 : 39,163.40 = 7,640.93 : x
  2. Step 2: Convert to fraction form
    26,108.93/39,163.40 = 7,640.93/x
  3. Step 3: Cross multiply
    26,108.93x = 39,163.40 × 7,640.93
  4. Step 4: Simplify right side
    26,108.93x = 299,244,759.76
  5. Step 5: Solve for x
    x = 299,244,759.76/26,108.93
  6. Step 6: Final answer
    x = 11,461.40

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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.