Home / 27,321.17-37,703.30-15,384.69

Finding the Fourth Proportional to 27,321.17, 37,703.30 and 15,384.69

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Solution

The fourth proportional to 27,321.17, 37,703.30 and 15,384.69 is: 21,230.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,321.17 : 37,703.30 = 15,384.69 : x
  2. Step 2: Convert to fraction form
    27,321.17/37,703.30 = 15,384.69/x
  3. Step 3: Cross multiply
    27,321.17x = 37,703.30 × 15,384.69
  4. Step 4: Simplify right side
    27,321.17x = 580,053,505.55
  5. Step 5: Solve for x
    x = 580,053,505.55/27,321.17
  6. Step 6: Final answer
    x = 21,230.92

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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.