Home / 28,937.70-43,406.55-17,079.30

Finding the Fourth Proportional to 28,937.70, 43,406.55 and 17,079.30

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Solution

The fourth proportional to 28,937.70, 43,406.55 and 17,079.30 is: 25,618.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937.70 : 43,406.55 = 17,079.30 : x
  2. Step 2: Convert to fraction form
    28,937.70/43,406.55 = 17,079.30/x
  3. Step 3: Cross multiply
    28,937.70x = 43,406.55 × 17,079.30
  4. Step 4: Simplify right side
    28,937.70x = 741,353,489.42
  5. Step 5: Solve for x
    x = 741,353,489.42/28,937.70
  6. Step 6: Final answer
    x = 25,618.95

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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.