Home / 26,469.27-36,530.51-15,139.80

Finding the Fourth Proportional to 26,469.27, 36,530.51 and 15,139.80

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Solution

The fourth proportional to 26,469.27, 36,530.51 and 15,139.80 is: 20,894.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,469.27 : 36,530.51 = 15,139.80 : x
  2. Step 2: Convert to fraction form
    26,469.27/36,530.51 = 15,139.80/x
  3. Step 3: Cross multiply
    26,469.27x = 36,530.51 × 15,139.80
  4. Step 4: Simplify right side
    26,469.27x = 553,064,539.60
  5. Step 5: Solve for x
    x = 553,064,539.60/26,469.27
  6. Step 6: Final answer
    x = 20,894.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.