Home / 27,319.74-37,700.64-15,384.42

Finding the Fourth Proportional to 27,319.74, 37,700.64 and 15,384.42

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Solution

The fourth proportional to 27,319.74, 37,700.64 and 15,384.42 is: 21,230.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,319.74 : 37,700.64 = 15,384.42 : x
  2. Step 2: Convert to fraction form
    27,319.74/37,700.64 = 15,384.42/x
  3. Step 3: Cross multiply
    27,319.74x = 37,700.64 × 15,384.42
  4. Step 4: Simplify right side
    27,319.74x = 580,002,480.03
  5. Step 5: Solve for x
    x = 580,002,480.03/27,319.74
  6. Step 6: Final answer
    x = 21,230.16

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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.