Home / 26,764.67-40,122.15-9,888.35

Finding the Fourth Proportional to 26,764.67, 40,122.15 and 9,888.35

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Solution

The fourth proportional to 26,764.67, 40,122.15 and 9,888.35 is: 14,823.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,764.67 : 40,122.15 = 9,888.35 : x
  2. Step 2: Convert to fraction form
    26,764.67/40,122.15 = 9,888.35/x
  3. Step 3: Cross multiply
    26,764.67x = 40,122.15 × 9,888.35
  4. Step 4: Simplify right side
    26,764.67x = 396,741,861.95
  5. Step 5: Solve for x
    x = 396,741,861.95/26,764.67
  6. Step 6: Final answer
    x = 14,823.34

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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.