Home / 26,612.55-39,922.92-7,890.63

Finding the Fourth Proportional to 26,612.55, 39,922.92 and 7,890.63

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Solution

The fourth proportional to 26,612.55, 39,922.92 and 7,890.63 is: 11,837.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,612.55 : 39,922.92 = 7,890.63 : x
  2. Step 2: Convert to fraction form
    26,612.55/39,922.92 = 7,890.63/x
  3. Step 3: Cross multiply
    26,612.55x = 39,922.92 × 7,890.63
  4. Step 4: Simplify right side
    26,612.55x = 315,016,990.24
  5. Step 5: Solve for x
    x = 315,016,990.24/26,612.55
  6. Step 6: Final answer
    x = 11,837.16

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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.