Home / 27,458.49-37,880.13-16,127.79

Finding the Fourth Proportional to 27,458.49, 37,880.13 and 16,127.79

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Solution

The fourth proportional to 27,458.49, 37,880.13 and 16,127.79 is: 22,248.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,458.49 : 37,880.13 = 16,127.79 : x
  2. Step 2: Convert to fraction form
    27,458.49/37,880.13 = 16,127.79/x
  3. Step 3: Cross multiply
    27,458.49x = 37,880.13 × 16,127.79
  4. Step 4: Simplify right side
    27,458.49x = 610,922,781.81
  5. Step 5: Solve for x
    x = 610,922,781.81/27,458.49
  6. Step 6: Final answer
    x = 22,248.96

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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.