Home / 20,365.05-28,116.89-16,597.23

Finding the Fourth Proportional to 20,365.05, 28,116.89 and 16,597.23

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Solution

The fourth proportional to 20,365.05, 28,116.89 and 16,597.23 is: 22,914.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,365.05 : 28,116.89 = 16,597.23 : x
  2. Step 2: Convert to fraction form
    20,365.05/28,116.89 = 16,597.23/x
  3. Step 3: Cross multiply
    20,365.05x = 28,116.89 × 16,597.23
  4. Step 4: Simplify right side
    20,365.05x = 466,662,407.23
  5. Step 5: Solve for x
    x = 466,662,407.23/20,365.05
  6. Step 6: Final answer
    x = 22,914.87

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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.