Home / 20,030.41-27,639.53-11,076.69

Finding the Fourth Proportional to 20,030.41, 27,639.53 and 11,076.69

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Solution

The fourth proportional to 20,030.41, 27,639.53 and 11,076.69 is: 15,284.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030.41 : 27,639.53 = 11,076.69 : x
  2. Step 2: Convert to fraction form
    20,030.41/27,639.53 = 11,076.69/x
  3. Step 3: Cross multiply
    20,030.41x = 27,639.53 × 11,076.69
  4. Step 4: Simplify right side
    20,030.41x = 306,154,505.56
  5. Step 5: Solve for x
    x = 306,154,505.56/20,030.41
  6. Step 6: Final answer
    x = 15,284.49

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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.