Home / 26,171.04-39,259.32-8,640.96

Finding the Fourth Proportional to 26,171.04, 39,259.32 and 8,640.96

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Solution

The fourth proportional to 26,171.04, 39,259.32 and 8,640.96 is: 12,962.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,171.04 : 39,259.32 = 8,640.96 : x
  2. Step 2: Convert to fraction form
    26,171.04/39,259.32 = 8,640.96/x
  3. Step 3: Cross multiply
    26,171.04x = 39,259.32 × 8,640.96
  4. Step 4: Simplify right side
    26,171.04x = 339,238,213.75
  5. Step 5: Solve for x
    x = 339,238,213.75/26,171.04
  6. Step 6: Final answer
    x = 12,962.35

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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.