Home / 26,440.48-39,608.40-19,874.08

Finding the Fourth Proportional to 26,440.48, 39,608.40 and 19,874.08

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Solution

The fourth proportional to 26,440.48, 39,608.40 and 19,874.08 is: 29,771.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,440.48 : 39,608.40 = 19,874.08 : x
  2. Step 2: Convert to fraction form
    26,440.48/39,608.40 = 19,874.08/x
  3. Step 3: Cross multiply
    26,440.48x = 39,608.40 × 19,874.08
  4. Step 4: Simplify right side
    26,440.48x = 787,180,510.27
  5. Step 5: Solve for x
    x = 787,180,510.27/26,440.48
  6. Step 6: Final answer
    x = 29,771.79

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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.