Home / 26,515.78-39,784.46-17,038.73

Finding the Fourth Proportional to 26,515.78, 39,784.46 and 17,038.73

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Solution

The fourth proportional to 26,515.78, 39,784.46 and 17,038.73 is: 25,565.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,515.78 : 39,784.46 = 17,038.73 : x
  2. Step 2: Convert to fraction form
    26,515.78/39,784.46 = 17,038.73/x
  3. Step 3: Cross multiply
    26,515.78x = 39,784.46 × 17,038.73
  4. Step 4: Simplify right side
    26,515.78x = 677,876,473.21
  5. Step 5: Solve for x
    x = 677,876,473.21/26,515.78
  6. Step 6: Final answer
    x = 25,565.02

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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.