Home / 20,008.42-27,612.17-11,056.50

Finding the Fourth Proportional to 20,008.42, 27,612.17 and 11,056.50

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Solution

The fourth proportional to 20,008.42, 27,612.17 and 11,056.50 is: 15,258.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008.42 : 27,612.17 = 11,056.50 : x
  2. Step 2: Convert to fraction form
    20,008.42/27,612.17 = 11,056.50/x
  3. Step 3: Cross multiply
    20,008.42x = 27,612.17 × 11,056.50
  4. Step 4: Simplify right side
    20,008.42x = 305,293,943.78
  5. Step 5: Solve for x
    x = 305,293,943.78/20,008.42
  6. Step 6: Final answer
    x = 15,258.28

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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.