Home / 27,836.16-38,424.96-16,656

Finding the Fourth Proportional to 27,836.16, 38,424.96 and 16,656

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Solution

The fourth proportional to 27,836.16, 38,424.96 and 16,656 is: 22,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,836.16 : 38,424.96 = 16,656 : x
  2. Step 2: Convert to fraction form
    27,836.16/38,424.96 = 16,656/x
  3. Step 3: Cross multiply
    27,836.16x = 38,424.96 × 16,656
  4. Step 4: Simplify right side
    27,836.16x = 640,006,133.76
  5. Step 5: Solve for x
    x = 640,006,133.76/27,836.16
  6. Step 6: Final answer
    x = 22,991.90

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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.