Home / 20,045.32-27,662.27-11,092.28

Finding the Fourth Proportional to 20,045.32, 27,662.27 and 11,092.28

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Solution

The fourth proportional to 20,045.32, 27,662.27 and 11,092.28 is: 15,307.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045.32 : 27,662.27 = 11,092.28 : x
  2. Step 2: Convert to fraction form
    20,045.32/27,662.27 = 11,092.28/x
  3. Step 3: Cross multiply
    20,045.32x = 27,662.27 × 11,092.28
  4. Step 4: Simplify right side
    20,045.32x = 306,837,450.50
  5. Step 5: Solve for x
    x = 306,837,450.50/20,045.32
  6. Step 6: Final answer
    x = 15,307.19

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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.