Home / 27,330.45-40,977.45-13,297.20

Finding the Fourth Proportional to 27,330.45, 40,977.45 and 13,297.20

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Solution

The fourth proportional to 27,330.45, 40,977.45 and 13,297.20 is: 19,936.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,330.45 : 40,977.45 = 13,297.20 : x
  2. Step 2: Convert to fraction form
    27,330.45/40,977.45 = 13,297.20/x
  3. Step 3: Cross multiply
    27,330.45x = 40,977.45 × 13,297.20
  4. Step 4: Simplify right side
    27,330.45x = 544,885,348.14
  5. Step 5: Solve for x
    x = 544,885,348.14/27,330.45
  6. Step 6: Final answer
    x = 19,936.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.