Home / 28,690.95-43,036.20-16,995.75

Finding the Fourth Proportional to 28,690.95, 43,036.20 and 16,995.75

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Solution

The fourth proportional to 28,690.95, 43,036.20 and 16,995.75 is: 25,493.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,690.95 : 43,036.20 = 16,995.75 : x
  2. Step 2: Convert to fraction form
    28,690.95/43,036.20 = 16,995.75/x
  3. Step 3: Cross multiply
    28,690.95x = 43,036.20 × 16,995.75
  4. Step 4: Simplify right side
    28,690.95x = 731,432,496.15
  5. Step 5: Solve for x
    x = 731,432,496.15/28,690.95
  6. Step 6: Final answer
    x = 25,493.49

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.