Home / 28,239.20-42,362.70-9,524.60

Finding the Fourth Proportional to 28,239.20, 42,362.70 and 9,524.60

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Solution

The fourth proportional to 28,239.20, 42,362.70 and 9,524.60 is: 14,288.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,239.20 : 42,362.70 = 9,524.60 : x
  2. Step 2: Convert to fraction form
    28,239.20/42,362.70 = 9,524.60/x
  3. Step 3: Cross multiply
    28,239.20x = 42,362.70 × 9,524.60
  4. Step 4: Simplify right side
    28,239.20x = 403,487,772.42
  5. Step 5: Solve for x
    x = 403,487,772.42/28,239.20
  6. Step 6: Final answer
    x = 14,288.22

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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.