Home / 17,815.78-26,745.54-16,897.24

Finding the Fourth Proportional to 17,815.78, 26,745.54 and 16,897.24

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Solution

The fourth proportional to 17,815.78, 26,745.54 and 16,897.24 is: 25,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,815.78 : 26,745.54 = 16,897.24 : x
  2. Step 2: Convert to fraction form
    17,815.78/26,745.54 = 16,897.24/x
  3. Step 3: Cross multiply
    17,815.78x = 26,745.54 × 16,897.24
  4. Step 4: Simplify right side
    17,815.78x = 451,925,808.31
  5. Step 5: Solve for x
    x = 451,925,808.31/17,815.78
  6. Step 6: Final answer
    x = 25,366.60

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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.