Home / 28,204.30-38,923.01-16,106.76

Finding the Fourth Proportional to 28,204.30, 38,923.01 and 16,106.76

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Solution

The fourth proportional to 28,204.30, 38,923.01 and 16,106.76 is: 22,227.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,204.30 : 38,923.01 = 16,106.76 : x
  2. Step 2: Convert to fraction form
    28,204.30/38,923.01 = 16,106.76/x
  3. Step 3: Cross multiply
    28,204.30x = 38,923.01 × 16,106.76
  4. Step 4: Simplify right side
    28,204.30x = 626,923,541.54
  5. Step 5: Solve for x
    x = 626,923,541.54/28,204.30
  6. Step 6: Final answer
    x = 22,227.94

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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.