Home / 28,323.09-42,481.88-8,601.81

Finding the Fourth Proportional to 28,323.09, 42,481.88 and 8,601.81

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Solution

The fourth proportional to 28,323.09, 42,481.88 and 8,601.81 is: 12,901.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,323.09 : 42,481.88 = 8,601.81 : x
  2. Step 2: Convert to fraction form
    28,323.09/42,481.88 = 8,601.81/x
  3. Step 3: Cross multiply
    28,323.09x = 42,481.88 × 8,601.81
  4. Step 4: Simplify right side
    28,323.09x = 365,421,060.20
  5. Step 5: Solve for x
    x = 365,421,060.20/28,323.09
  6. Step 6: Final answer
    x = 12,901.88

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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.