Home / 27,653.06-38,160.74-15,077.82

Finding the Fourth Proportional to 27,653.06, 38,160.74 and 15,077.82

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Solution

The fourth proportional to 27,653.06, 38,160.74 and 15,077.82 is: 20,807.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,653.06 : 38,160.74 = 15,077.82 : x
  2. Step 2: Convert to fraction form
    27,653.06/38,160.74 = 15,077.82/x
  3. Step 3: Cross multiply
    27,653.06x = 38,160.74 × 15,077.82
  4. Step 4: Simplify right side
    27,653.06x = 575,380,768.79
  5. Step 5: Solve for x
    x = 575,380,768.79/27,653.06
  6. Step 6: Final answer
    x = 20,807.13

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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.