Home / 26,042.15-39,065.04-12,890.99

Finding the Fourth Proportional to 26,042.15, 39,065.04 and 12,890.99

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Solution

The fourth proportional to 26,042.15, 39,065.04 and 12,890.99 is: 19,337.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,042.15 : 39,065.04 = 12,890.99 : x
  2. Step 2: Convert to fraction form
    26,042.15/39,065.04 = 12,890.99/x
  3. Step 3: Cross multiply
    26,042.15x = 39,065.04 × 12,890.99
  4. Step 4: Simplify right side
    26,042.15x = 503,586,844.66
  5. Step 5: Solve for x
    x = 503,586,844.66/26,042.15
  6. Step 6: Final answer
    x = 19,337.38

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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.