Home / 28,904.01-43,357.50-8,129.13

Finding the Fourth Proportional to 28,904.01, 43,357.50 and 8,129.13

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Solution

The fourth proportional to 28,904.01, 43,357.50 and 8,129.13 is: 12,194.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904.01 : 43,357.50 = 8,129.13 : x
  2. Step 2: Convert to fraction form
    28,904.01/43,357.50 = 8,129.13/x
  3. Step 3: Cross multiply
    28,904.01x = 43,357.50 × 8,129.13
  4. Step 4: Simplify right side
    28,904.01x = 352,458,753.98
  5. Step 5: Solve for x
    x = 352,458,753.98/28,904.01
  6. Step 6: Final answer
    x = 12,194.11

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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.