Home / 26,369.78-36,381.25-15,031.09

Finding the Fourth Proportional to 26,369.78, 36,381.25 and 15,031.09

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Solution

The fourth proportional to 26,369.78, 36,381.25 and 15,031.09 is: 20,737.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,369.78 : 36,381.25 = 15,031.09 : x
  2. Step 2: Convert to fraction form
    26,369.78/36,381.25 = 15,031.09/x
  3. Step 3: Cross multiply
    26,369.78x = 36,381.25 × 15,031.09
  4. Step 4: Simplify right side
    26,369.78x = 546,849,843.06
  5. Step 5: Solve for x
    x = 546,849,843.06/26,369.78
  6. Step 6: Final answer
    x = 20,737.75

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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.