Home / 29,627.78-40,886.97-17,688.89

Finding the Fourth Proportional to 29,627.78, 40,886.97 and 17,688.89

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Solution

The fourth proportional to 29,627.78, 40,886.97 and 17,688.89 is: 24,411.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,627.78 : 40,886.97 = 17,688.89 : x
  2. Step 2: Convert to fraction form
    29,627.78/40,886.97 = 17,688.89/x
  3. Step 3: Cross multiply
    29,627.78x = 40,886.97 × 17,688.89
  4. Step 4: Simplify right side
    29,627.78x = 723,244,910.33
  5. Step 5: Solve for x
    x = 723,244,910.33/29,627.78
  6. Step 6: Final answer
    x = 24,411.04

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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.