Home / 28,717.17-39,633.26-16,141.92

Finding the Fourth Proportional to 28,717.17, 39,633.26 and 16,141.92

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Solution

The fourth proportional to 28,717.17, 39,633.26 and 16,141.92 is: 22,277.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717.17 : 39,633.26 = 16,141.92 : x
  2. Step 2: Convert to fraction form
    28,717.17/39,633.26 = 16,141.92/x
  3. Step 3: Cross multiply
    28,717.17x = 39,633.26 × 16,141.92
  4. Step 4: Simplify right side
    28,717.17x = 639,756,831.55
  5. Step 5: Solve for x
    x = 639,756,831.55/28,717.17
  6. Step 6: Final answer
    x = 22,277.85

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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.