Home / 26,601.72-39,903.32-6,610.40

Finding the Fourth Proportional to 26,601.72, 39,903.32 and 6,610.40

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Solution

The fourth proportional to 26,601.72, 39,903.32 and 6,610.40 is: 9,915.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,601.72 : 39,903.32 = 6,610.40 : x
  2. Step 2: Convert to fraction form
    26,601.72/39,903.32 = 6,610.40/x
  3. Step 3: Cross multiply
    26,601.72x = 39,903.32 × 6,610.40
  4. Step 4: Simplify right side
    26,601.72x = 263,777,023.04
  5. Step 5: Solve for x
    x = 263,777,023.04/26,601.72
  6. Step 6: Final answer
    x = 9,915.79

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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.