Home / 22,690.80-31,316.72-16,338.44

Finding the Fourth Proportional to 22,690.80, 31,316.72 and 16,338.44

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Solution

The fourth proportional to 22,690.80, 31,316.72 and 16,338.44 is: 22,549.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,690.80 : 31,316.72 = 16,338.44 : x
  2. Step 2: Convert to fraction form
    22,690.80/31,316.72 = 16,338.44/x
  3. Step 3: Cross multiply
    22,690.80x = 31,316.72 × 16,338.44
  4. Step 4: Simplify right side
    22,690.80x = 511,666,350.72
  5. Step 5: Solve for x
    x = 511,666,350.72/22,690.80
  6. Step 6: Final answer
    x = 22,549.51

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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.