Home / 26,171.10-39,259.89-8,402.94

Finding the Fourth Proportional to 26,171.10, 39,259.89 and 8,402.94

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Solution

The fourth proportional to 26,171.10, 39,259.89 and 8,402.94 is: 12,605.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,171.10 : 39,259.89 = 8,402.94 : x
  2. Step 2: Convert to fraction form
    26,171.10/39,259.89 = 8,402.94/x
  3. Step 3: Cross multiply
    26,171.10x = 39,259.89 × 8,402.94
  4. Step 4: Simplify right side
    26,171.10x = 329,898,500.08
  5. Step 5: Solve for x
    x = 329,898,500.08/26,171.10
  6. Step 6: Final answer
    x = 12,605.45

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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.