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Finding the Fourth Proportional to 27,737.40, 41,606.10 and 21,176.40

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Solution

The fourth proportional to 27,737.40, 41,606.10 and 21,176.40 is: 31,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,737.40 : 41,606.10 = 21,176.40 : x
  2. Step 2: Convert to fraction form
    27,737.40/41,606.10 = 21,176.40/x
  3. Step 3: Cross multiply
    27,737.40x = 41,606.10 × 21,176.40
  4. Step 4: Simplify right side
    27,737.40x = 881,067,416.04
  5. Step 5: Solve for x
    x = 881,067,416.04/27,737.40
  6. Step 6: Final answer
    x = 31,764.60

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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.