Home / 26,730.62-36,884.62-15,395.90

Finding the Fourth Proportional to 26,730.62, 36,884.62 and 15,395.90

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Solution

The fourth proportional to 26,730.62, 36,884.62 and 15,395.90 is: 21,244.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,730.62 : 36,884.62 = 15,395.90 : x
  2. Step 2: Convert to fraction form
    26,730.62/36,884.62 = 15,395.90/x
  3. Step 3: Cross multiply
    26,730.62x = 36,884.62 × 15,395.90
  4. Step 4: Simplify right side
    26,730.62x = 567,871,921.06
  5. Step 5: Solve for x
    x = 567,871,921.06/26,730.62
  6. Step 6: Final answer
    x = 21,244.25

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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.