Home / 27,458.48-37,880.12-16,127.78

Finding the Fourth Proportional to 27,458.48, 37,880.12 and 16,127.78

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Solution

The fourth proportional to 27,458.48, 37,880.12 and 16,127.78 is: 22,248.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,458.48 : 37,880.12 = 16,127.78 : x
  2. Step 2: Convert to fraction form
    27,458.48/37,880.12 = 16,127.78/x
  3. Step 3: Cross multiply
    27,458.48x = 37,880.12 × 16,127.78
  4. Step 4: Simplify right side
    27,458.48x = 610,922,241.73
  5. Step 5: Solve for x
    x = 610,922,241.73/27,458.48
  6. Step 6: Final answer
    x = 22,248.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.