Home / 28,903.38-43,355.06-8,126.88

Finding the Fourth Proportional to 28,903.38, 43,355.06 and 8,126.88

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Solution

The fourth proportional to 28,903.38, 43,355.06 and 8,126.88 is: 12,190.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.38 : 43,355.06 = 8,126.88 : x
  2. Step 2: Convert to fraction form
    28,903.38/43,355.06 = 8,126.88/x
  3. Step 3: Cross multiply
    28,903.38x = 43,355.06 × 8,126.88
  4. Step 4: Simplify right side
    28,903.38x = 352,341,370.01
  5. Step 5: Solve for x
    x = 352,341,370.01/28,903.38
  6. Step 6: Final answer
    x = 12,190.32

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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.