Home / 27,927.36-38,537.28-15,351.84

Finding the Fourth Proportional to 27,927.36, 38,537.28 and 15,351.84

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Solution

The fourth proportional to 27,927.36, 38,537.28 and 15,351.84 is: 21,184.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,927.36 : 38,537.28 = 15,351.84 : x
  2. Step 2: Convert to fraction form
    27,927.36/38,537.28 = 15,351.84/x
  3. Step 3: Cross multiply
    27,927.36x = 38,537.28 × 15,351.84
  4. Step 4: Simplify right side
    27,927.36x = 591,618,156.60
  5. Step 5: Solve for x
    x = 591,618,156.60/27,927.36
  6. Step 6: Final answer
    x = 21,184.18

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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.