Home / 20,008.89-27,612.90-11,056.68

Finding the Fourth Proportional to 20,008.89, 27,612.90 and 11,056.68

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Solution

The fourth proportional to 20,008.89, 27,612.90 and 11,056.68 is: 15,258.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008.89 : 27,612.90 = 11,056.68 : x
  2. Step 2: Convert to fraction form
    20,008.89/27,612.90 = 11,056.68/x
  3. Step 3: Cross multiply
    20,008.89x = 27,612.90 × 11,056.68
  4. Step 4: Simplify right side
    20,008.89x = 305,306,999.17
  5. Step 5: Solve for x
    x = 305,306,999.17/20,008.89
  6. Step 6: Final answer
    x = 15,258.57

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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.