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Finding the Fourth Proportional to 26,271.40, 39,410.70 and 9,627.40

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Solution

The fourth proportional to 26,271.40, 39,410.70 and 9,627.40 is: 14,442.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,271.40 : 39,410.70 = 9,627.40 : x
  2. Step 2: Convert to fraction form
    26,271.40/39,410.70 = 9,627.40/x
  3. Step 3: Cross multiply
    26,271.40x = 39,410.70 × 9,627.40
  4. Step 4: Simplify right side
    26,271.40x = 379,422,573.18
  5. Step 5: Solve for x
    x = 379,422,573.18/26,271.40
  6. Step 6: Final answer
    x = 14,442.42

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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.