Home / 28,322.34-42,480.76-8,601.07

Finding the Fourth Proportional to 28,322.34, 42,480.76 and 8,601.07

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Solution

The fourth proportional to 28,322.34, 42,480.76 and 8,601.07 is: 12,900.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322.34 : 42,480.76 = 8,601.07 : x
  2. Step 2: Convert to fraction form
    28,322.34/42,480.76 = 8,601.07/x
  3. Step 3: Cross multiply
    28,322.34x = 42,480.76 × 8,601.07
  4. Step 4: Simplify right side
    28,322.34x = 365,379,735.00
  5. Step 5: Solve for x
    x = 365,379,735.00/28,322.34
  6. Step 6: Final answer
    x = 12,900.76

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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.