Home / 27,309.32-37,687.56-15,373.08

Finding the Fourth Proportional to 27,309.32, 37,687.56 and 15,373.08

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Solution

The fourth proportional to 27,309.32, 37,687.56 and 15,373.08 is: 21,215.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,309.32 : 37,687.56 = 15,373.08 : x
  2. Step 2: Convert to fraction form
    27,309.32/37,687.56 = 15,373.08/x
  3. Step 3: Cross multiply
    27,309.32x = 37,687.56 × 15,373.08
  4. Step 4: Simplify right side
    27,309.32x = 579,373,874.88
  5. Step 5: Solve for x
    x = 579,373,874.88/27,309.32
  6. Step 6: Final answer
    x = 21,215.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.