Home / 27,460.53-37,915.05-21,709.40

Finding the Fourth Proportional to 27,460.53, 37,915.05 and 21,709.40

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Solution

The fourth proportional to 27,460.53, 37,915.05 and 21,709.40 is: 29,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,460.53 : 37,915.05 = 21,709.40 : x
  2. Step 2: Convert to fraction form
    27,460.53/37,915.05 = 21,709.40/x
  3. Step 3: Cross multiply
    27,460.53x = 37,915.05 × 21,709.40
  4. Step 4: Simplify right side
    27,460.53x = 823,112,796.89
  5. Step 5: Solve for x
    x = 823,112,796.89/27,460.53
  6. Step 6: Final answer
    x = 29,974.40

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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.