Home / 28,046.61-42,074.10-8,322.84

Finding the Fourth Proportional to 28,046.61, 42,074.10 and 8,322.84

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Solution

The fourth proportional to 28,046.61, 42,074.10 and 8,322.84 is: 12,485.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,046.61 : 42,074.10 = 8,322.84 : x
  2. Step 2: Convert to fraction form
    28,046.61/42,074.10 = 8,322.84/x
  3. Step 3: Cross multiply
    28,046.61x = 42,074.10 × 8,322.84
  4. Step 4: Simplify right side
    28,046.61x = 350,176,002.44
  5. Step 5: Solve for x
    x = 350,176,002.44/28,046.61
  6. Step 6: Final answer
    x = 12,485.50

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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.