Home / 26,156.98-36,084.72-15,540.58

Finding the Fourth Proportional to 26,156.98, 36,084.72 and 15,540.58

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Solution

The fourth proportional to 26,156.98, 36,084.72 and 15,540.58 is: 21,438.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,156.98 : 36,084.72 = 15,540.58 : x
  2. Step 2: Convert to fraction form
    26,156.98/36,084.72 = 15,540.58/x
  3. Step 3: Cross multiply
    26,156.98x = 36,084.72 × 15,540.58
  4. Step 4: Simplify right side
    26,156.98x = 560,777,477.94
  5. Step 5: Solve for x
    x = 560,777,477.94/26,156.98
  6. Step 6: Final answer
    x = 21,438.92

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1.5x scale

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.