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Finding the Fourth Proportional to 26,403, 39,573.78 and 10,801.72

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Solution

The fourth proportional to 26,403, 39,573.78 and 10,801.72 is: 16,190.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,403 : 39,573.78 = 10,801.72 : x
  2. Step 2: Convert to fraction form
    26,403/39,573.78 = 10,801.72/x
  3. Step 3: Cross multiply
    26,403x = 39,573.78 × 10,801.72
  4. Step 4: Simplify right side
    26,403x = 427,464,890.90
  5. Step 5: Solve for x
    x = 427,464,890.90/26,403
  6. Step 6: Final answer
    x = 16,190.01

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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.