Home / 26,507.16-39,765.60-8,738.87

Finding the Fourth Proportional to 26,507.16, 39,765.60 and 8,738.87

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Solution

The fourth proportional to 26,507.16, 39,765.60 and 8,738.87 is: 13,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,507.16 : 39,765.60 = 8,738.87 : x
  2. Step 2: Convert to fraction form
    26,507.16/39,765.60 = 8,738.87/x
  3. Step 3: Cross multiply
    26,507.16x = 39,765.60 × 8,738.87
  4. Step 4: Simplify right side
    26,507.16x = 347,506,210.04
  5. Step 5: Solve for x
    x = 347,506,210.04/26,507.16
  6. Step 6: Final answer
    x = 13,109.90

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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.