Home / 20,523.81-28,322.82-11,092.35

Finding the Fourth Proportional to 20,523.81, 28,322.82 and 11,092.35

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Solution

The fourth proportional to 20,523.81, 28,322.82 and 11,092.35 is: 15,307.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,523.81 : 28,322.82 = 11,092.35 : x
  2. Step 2: Convert to fraction form
    20,523.81/28,322.82 = 11,092.35/x
  3. Step 3: Cross multiply
    20,523.81x = 28,322.82 × 11,092.35
  4. Step 4: Simplify right side
    20,523.81x = 314,166,632.43
  5. Step 5: Solve for x
    x = 314,166,632.43/20,523.81
  6. Step 6: Final answer
    x = 15,307.42

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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.