Home / 26,614.72-39,922.46-12,760.48

Finding the Fourth Proportional to 26,614.72, 39,922.46 and 12,760.48

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Solution

The fourth proportional to 26,614.72, 39,922.46 and 12,760.48 is: 19,140.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,614.72 : 39,922.46 = 12,760.48 : x
  2. Step 2: Convert to fraction form
    26,614.72/39,922.46 = 12,760.48/x
  3. Step 3: Cross multiply
    26,614.72x = 39,922.46 × 12,760.48
  4. Step 4: Simplify right side
    26,614.72x = 509,429,752.38
  5. Step 5: Solve for x
    x = 509,429,752.38/26,614.72
  6. Step 6: Final answer
    x = 19,140.90

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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.