Home / 28,550.74-42,826.12-8,828.86

Finding the Fourth Proportional to 28,550.74, 42,826.12 and 8,828.86

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Solution

The fourth proportional to 28,550.74, 42,826.12 and 8,828.86 is: 13,243.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,550.74 : 42,826.12 = 8,828.86 : x
  2. Step 2: Convert to fraction form
    28,550.74/42,826.12 = 8,828.86/x
  3. Step 3: Cross multiply
    28,550.74x = 42,826.12 × 8,828.86
  4. Step 4: Simplify right side
    28,550.74x = 378,105,817.82
  5. Step 5: Solve for x
    x = 378,105,817.82/28,550.74
  6. Step 6: Final answer
    x = 13,243.29

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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.