Home / 26,285.72-39,429.14-9,419.83

Finding the Fourth Proportional to 26,285.72, 39,429.14 and 9,419.83

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Solution

The fourth proportional to 26,285.72, 39,429.14 and 9,419.83 is: 14,129.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,285.72 : 39,429.14 = 9,419.83 : x
  2. Step 2: Convert to fraction form
    26,285.72/39,429.14 = 9,419.83/x
  3. Step 3: Cross multiply
    26,285.72x = 39,429.14 × 9,419.83
  4. Step 4: Simplify right side
    26,285.72x = 371,415,795.85
  5. Step 5: Solve for x
    x = 371,415,795.85/26,285.72
  6. Step 6: Final answer
    x = 14,129.95

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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.