Home / 26,510.56-39,770.16-8,735.92

Finding the Fourth Proportional to 26,510.56, 39,770.16 and 8,735.92

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Solution

The fourth proportional to 26,510.56, 39,770.16 and 8,735.92 is: 13,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,510.56 : 39,770.16 = 8,735.92 : x
  2. Step 2: Convert to fraction form
    26,510.56/39,770.16 = 8,735.92/x
  3. Step 3: Cross multiply
    26,510.56x = 39,770.16 × 8,735.92
  4. Step 4: Simplify right side
    26,510.56x = 347,428,936.15
  5. Step 5: Solve for x
    x = 347,428,936.15/26,510.56
  6. Step 6: Final answer
    x = 13,105.30

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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.