Home / 28,322.45-42,480.92-8,601.18

Finding the Fourth Proportional to 28,322.45, 42,480.92 and 8,601.18

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Solution

The fourth proportional to 28,322.45, 42,480.92 and 8,601.18 is: 12,900.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322.45 : 42,480.92 = 8,601.18 : x
  2. Step 2: Convert to fraction form
    28,322.45/42,480.92 = 8,601.18/x
  3. Step 3: Cross multiply
    28,322.45x = 42,480.92 × 8,601.18
  4. Step 4: Simplify right side
    28,322.45x = 365,385,784.08
  5. Step 5: Solve for x
    x = 365,385,784.08/28,322.45
  6. Step 6: Final answer
    x = 12,900.93

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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.