Home / 27,313.09-37,687.63-15,373.90

Finding the Fourth Proportional to 27,313.09, 37,687.63 and 15,373.90

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Solution

The fourth proportional to 27,313.09, 37,687.63 and 15,373.90 is: 21,213.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,313.09 : 37,687.63 = 15,373.90 : x
  2. Step 2: Convert to fraction form
    27,313.09/37,687.63 = 15,373.90/x
  3. Step 3: Cross multiply
    27,313.09x = 37,687.63 × 15,373.90
  4. Step 4: Simplify right side
    27,313.09x = 579,405,854.86
  5. Step 5: Solve for x
    x = 579,405,854.86/27,313.09
  6. Step 6: Final answer
    x = 21,213.49

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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.