Home / 28,105.20-38,706.66-23,346.06

Finding the Fourth Proportional to 28,105.20, 38,706.66 and 23,346.06

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Solution

The fourth proportional to 28,105.20, 38,706.66 and 23,346.06 is: 32,152.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,105.20 : 38,706.66 = 23,346.06 : x
  2. Step 2: Convert to fraction form
    28,105.20/38,706.66 = 23,346.06/x
  3. Step 3: Cross multiply
    28,105.20x = 38,706.66 × 23,346.06
  4. Step 4: Simplify right side
    28,105.20x = 903,648,006.76
  5. Step 5: Solve for x
    x = 903,648,006.76/28,105.20
  6. Step 6: Final answer
    x = 32,152.34

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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.