Home / 28,213.23-42,319.46-6,866.03

Finding the Fourth Proportional to 28,213.23, 42,319.46 and 6,866.03

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Solution

The fourth proportional to 28,213.23, 42,319.46 and 6,866.03 is: 10,298.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,213.23 : 42,319.46 = 6,866.03 : x
  2. Step 2: Convert to fraction form
    28,213.23/42,319.46 = 6,866.03/x
  3. Step 3: Cross multiply
    28,213.23x = 42,319.46 × 6,866.03
  4. Step 4: Simplify right side
    28,213.23x = 290,566,436.02
  5. Step 5: Solve for x
    x = 290,566,436.02/28,213.23
  6. Step 6: Final answer
    x = 10,298.94

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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.