Home / 26,394.53-36,436.61-15,638.69

Finding the Fourth Proportional to 26,394.53, 36,436.61 and 15,638.69

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Solution

The fourth proportional to 26,394.53, 36,436.61 and 15,638.69 is: 21,588.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,394.53 : 36,436.61 = 15,638.69 : x
  2. Step 2: Convert to fraction form
    26,394.53/36,436.61 = 15,638.69/x
  3. Step 3: Cross multiply
    26,394.53x = 36,436.61 × 15,638.69
  4. Step 4: Simplify right side
    26,394.53x = 569,820,770.25
  5. Step 5: Solve for x
    x = 569,820,770.25/26,394.53
  6. Step 6: Final answer
    x = 21,588.59

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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.