Home / 28,226.77-38,952.89-16,290.10

Finding the Fourth Proportional to 28,226.77, 38,952.89 and 16,290.10

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Solution

The fourth proportional to 28,226.77, 38,952.89 and 16,290.10 is: 22,480.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,226.77 : 38,952.89 = 16,290.10 : x
  2. Step 2: Convert to fraction form
    28,226.77/38,952.89 = 16,290.10/x
  3. Step 3: Cross multiply
    28,226.77x = 38,952.89 × 16,290.10
  4. Step 4: Simplify right side
    28,226.77x = 634,546,473.39
  5. Step 5: Solve for x
    x = 634,546,473.39/28,226.77
  6. Step 6: Final answer
    x = 22,480.31

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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.