Home / 28,901.91-43,355.76-7,842.29

Finding the Fourth Proportional to 28,901.91, 43,355.76 and 7,842.29

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Solution

The fourth proportional to 28,901.91, 43,355.76 and 7,842.29 is: 11,764.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.91 : 43,355.76 = 7,842.29 : x
  2. Step 2: Convert to fraction form
    28,901.91/43,355.76 = 7,842.29/x
  3. Step 3: Cross multiply
    28,901.91x = 43,355.76 × 7,842.29
  4. Step 4: Simplify right side
    28,901.91x = 340,008,562.72
  5. Step 5: Solve for x
    x = 340,008,562.72/28,901.91
  6. Step 6: Final answer
    x = 11,764.22

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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.