Home / 28,592.26-42,840.97-20,230.83

Finding the Fourth Proportional to 28,592.26, 42,840.97 and 20,230.83

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Solution

The fourth proportional to 28,592.26, 42,840.97 and 20,230.83 is: 30,312.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,592.26 : 42,840.97 = 20,230.83 : x
  2. Step 2: Convert to fraction form
    28,592.26/42,840.97 = 20,230.83/x
  3. Step 3: Cross multiply
    28,592.26x = 42,840.97 × 20,230.83
  4. Step 4: Simplify right side
    28,592.26x = 866,708,330.53
  5. Step 5: Solve for x
    x = 866,708,330.53/28,592.26
  6. Step 6: Final answer
    x = 30,312.69

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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.