Home / 26,041.59-39,064.20-12,890.43

Finding the Fourth Proportional to 26,041.59, 39,064.20 and 12,890.43

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Solution

The fourth proportional to 26,041.59, 39,064.20 and 12,890.43 is: 19,336.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,041.59 : 39,064.20 = 12,890.43 : x
  2. Step 2: Convert to fraction form
    26,041.59/39,064.20 = 12,890.43/x
  3. Step 3: Cross multiply
    26,041.59x = 39,064.20 × 12,890.43
  4. Step 4: Simplify right side
    26,041.59x = 503,554,335.61
  5. Step 5: Solve for x
    x = 503,554,335.61/26,041.59
  6. Step 6: Final answer
    x = 19,336.54

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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.