Home / 28,260.62-38,995.26-16,158.98

Finding the Fourth Proportional to 28,260.62, 38,995.26 and 16,158.98

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Solution

The fourth proportional to 28,260.62, 38,995.26 and 16,158.98 is: 22,296.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,260.62 : 38,995.26 = 16,158.98 : x
  2. Step 2: Convert to fraction form
    28,260.62/38,995.26 = 16,158.98/x
  3. Step 3: Cross multiply
    28,260.62x = 38,995.26 × 16,158.98
  4. Step 4: Simplify right side
    28,260.62x = 630,123,626.43
  5. Step 5: Solve for x
    x = 630,123,626.43/28,260.62
  6. Step 6: Final answer
    x = 22,296.88

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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.