Home / 19,622.31-27,091.81-15,076.88

Finding the Fourth Proportional to 19,622.31, 27,091.81 and 15,076.88

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Solution

The fourth proportional to 19,622.31, 27,091.81 and 15,076.88 is: 20,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.31 : 27,091.81 = 15,076.88 : x
  2. Step 2: Convert to fraction form
    19,622.31/27,091.81 = 15,076.88/x
  3. Step 3: Cross multiply
    19,622.31x = 27,091.81 × 15,076.88
  4. Step 4: Simplify right side
    19,622.31x = 408,459,968.35
  5. Step 5: Solve for x
    x = 408,459,968.35/19,622.31
  6. Step 6: Final answer
    x = 20,816.10

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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.