Home / 27,927.00-38,538.28-15,351.66

Finding the Fourth Proportional to 27,927.00, 38,538.28 and 15,351.66

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Solution

The fourth proportional to 27,927.00, 38,538.28 and 15,351.66 is: 21,184.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,927.00 : 38,538.28 = 15,351.66 : x
  2. Step 2: Convert to fraction form
    27,927.00/38,538.28 = 15,351.66/x
  3. Step 3: Cross multiply
    27,927.00x = 38,538.28 × 15,351.66
  4. Step 4: Simplify right side
    27,927.00x = 591,626,302.10
  5. Step 5: Solve for x
    x = 591,626,302.10/27,927.00
  6. Step 6: Final answer
    x = 21,184.75

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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.