Home / 27,486-37,915.56-19,540.08

Finding the Fourth Proportional to 27,486, 37,915.56 and 19,540.08

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Solution

The fourth proportional to 27,486, 37,915.56 and 19,540.08 is: 26,954.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,486 : 37,915.56 = 19,540.08 : x
  2. Step 2: Convert to fraction form
    27,486/37,915.56 = 19,540.08/x
  3. Step 3: Cross multiply
    27,486x = 37,915.56 × 19,540.08
  4. Step 4: Simplify right side
    27,486x = 740,873,075.64
  5. Step 5: Solve for x
    x = 740,873,075.64/27,486
  6. Step 6: Final answer
    x = 26,954.56

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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.