Home / 20,040.94-27,657.32-11,088.30

Finding the Fourth Proportional to 20,040.94, 27,657.32 and 11,088.30

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Solution

The fourth proportional to 20,040.94, 27,657.32 and 11,088.30 is: 15,302.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,040.94 : 27,657.32 = 11,088.30 : x
  2. Step 2: Convert to fraction form
    20,040.94/27,657.32 = 11,088.30/x
  3. Step 3: Cross multiply
    20,040.94x = 27,657.32 × 11,088.30
  4. Step 4: Simplify right side
    20,040.94x = 306,672,605.91
  5. Step 5: Solve for x
    x = 306,672,605.91/20,040.94
  6. Step 6: Final answer
    x = 15,302.31

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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.