Home / 28,313.88-42,468.66-8,592.54

Finding the Fourth Proportional to 28,313.88, 42,468.66 and 8,592.54

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Solution

The fourth proportional to 28,313.88, 42,468.66 and 8,592.54 is: 12,888.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,313.88 : 42,468.66 = 8,592.54 : x
  2. Step 2: Convert to fraction form
    28,313.88/42,468.66 = 8,592.54/x
  3. Step 3: Cross multiply
    28,313.88x = 42,468.66 × 8,592.54
  4. Step 4: Simplify right side
    28,313.88x = 364,913,659.80
  5. Step 5: Solve for x
    x = 364,913,659.80/28,313.88
  6. Step 6: Final answer
    x = 12,888.15

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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.