Home / 26,436.98-39,650.96-8,667.30

Finding the Fourth Proportional to 26,436.98, 39,650.96 and 8,667.30

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Solution

The fourth proportional to 26,436.98, 39,650.96 and 8,667.30 is: 12,999.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,436.98 : 39,650.96 = 8,667.30 : x
  2. Step 2: Convert to fraction form
    26,436.98/39,650.96 = 8,667.30/x
  3. Step 3: Cross multiply
    26,436.98x = 39,650.96 × 8,667.30
  4. Step 4: Simplify right side
    26,436.98x = 343,666,765.61
  5. Step 5: Solve for x
    x = 343,666,765.61/26,436.98
  6. Step 6: Final answer
    x = 12,999.47

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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.