Home / 28,297.07-42,452.18-8,305.76

Finding the Fourth Proportional to 28,297.07, 42,452.18 and 8,305.76

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Solution

The fourth proportional to 28,297.07, 42,452.18 and 8,305.76 is: 12,460.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297.07 : 42,452.18 = 8,305.76 : x
  2. Step 2: Convert to fraction form
    28,297.07/42,452.18 = 8,305.76/x
  3. Step 3: Cross multiply
    28,297.07x = 42,452.18 × 8,305.76
  4. Step 4: Simplify right side
    28,297.07x = 352,597,364.77
  5. Step 5: Solve for x
    x = 352,597,364.77/28,297.07
  6. Step 6: Final answer
    x = 12,460.56

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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.