Home / 27,716.18-38,249.71-16,957.68

Finding the Fourth Proportional to 27,716.18, 38,249.71 and 16,957.68

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Solution

The fourth proportional to 27,716.18, 38,249.71 and 16,957.68 is: 23,402.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,716.18 : 38,249.71 = 16,957.68 : x
  2. Step 2: Convert to fraction form
    27,716.18/38,249.71 = 16,957.68/x
  3. Step 3: Cross multiply
    27,716.18x = 38,249.71 × 16,957.68
  4. Step 4: Simplify right side
    27,716.18x = 648,626,311.71
  5. Step 5: Solve for x
    x = 648,626,311.71/27,716.18
  6. Step 6: Final answer
    x = 23,402.45

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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.