Home / 26,041.65-39,064.29-12,890.49

Finding the Fourth Proportional to 26,041.65, 39,064.29 and 12,890.49

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Solution

The fourth proportional to 26,041.65, 39,064.29 and 12,890.49 is: 19,336.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,041.65 : 39,064.29 = 12,890.49 : x
  2. Step 2: Convert to fraction form
    26,041.65/39,064.29 = 12,890.49/x
  3. Step 3: Cross multiply
    26,041.65x = 39,064.29 × 12,890.49
  4. Step 4: Simplify right side
    26,041.65x = 503,557,644.28
  5. Step 5: Solve for x
    x = 503,557,644.28/26,041.65
  6. Step 6: Final answer
    x = 19,336.63

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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.