Home / 27,515.53-37,971.45-14,940.28

Finding the Fourth Proportional to 27,515.53, 37,971.45 and 14,940.28

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Solution

The fourth proportional to 27,515.53, 37,971.45 and 14,940.28 is: 20,617.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515.53 : 37,971.45 = 14,940.28 : x
  2. Step 2: Convert to fraction form
    27,515.53/37,971.45 = 14,940.28/x
  3. Step 3: Cross multiply
    27,515.53x = 37,971.45 × 14,940.28
  4. Step 4: Simplify right side
    27,515.53x = 567,304,038.98
  5. Step 5: Solve for x
    x = 567,304,038.98/27,515.53
  6. Step 6: Final answer
    x = 20,617.59

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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.