Home / 26,169.86-39,261.37-8,402.11

Finding the Fourth Proportional to 26,169.86, 39,261.37 and 8,402.11

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Solution

The fourth proportional to 26,169.86, 39,261.37 and 8,402.11 is: 12,605.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,169.86 : 39,261.37 = 8,402.11 : x
  2. Step 2: Convert to fraction form
    26,169.86/39,261.37 = 8,402.11/x
  3. Step 3: Cross multiply
    26,169.86x = 39,261.37 × 8,402.11
  4. Step 4: Simplify right side
    26,169.86x = 329,878,277.67
  5. Step 5: Solve for x
    x = 329,878,277.67/26,169.86
  6. Step 6: Final answer
    x = 12,605.27

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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.