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Finding the Fourth Proportional to 17,658.78, 26,485.02 and 10,277.70

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Solution

The fourth proportional to 17,658.78, 26,485.02 and 10,277.70 is: 15,414.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,658.78 : 26,485.02 = 10,277.70 : x
  2. Step 2: Convert to fraction form
    17,658.78/26,485.02 = 10,277.70/x
  3. Step 3: Cross multiply
    17,658.78x = 26,485.02 × 10,277.70
  4. Step 4: Simplify right side
    17,658.78x = 272,205,090.05
  5. Step 5: Solve for x
    x = 272,205,090.05/17,658.78
  6. Step 6: Final answer
    x = 15,414.72

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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.