Home / 27,321.27-37,702.93-15,384.57

Finding the Fourth Proportional to 27,321.27, 37,702.93 and 15,384.57

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Solution

The fourth proportional to 27,321.27, 37,702.93 and 15,384.57 is: 21,230.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,321.27 : 37,702.93 = 15,384.57 : x
  2. Step 2: Convert to fraction form
    27,321.27/37,702.93 = 15,384.57/x
  3. Step 3: Cross multiply
    27,321.27x = 37,702.93 × 15,384.57
  4. Step 4: Simplify right side
    27,321.27x = 580,043,365.79
  5. Step 5: Solve for x
    x = 580,043,365.79/27,321.27
  6. Step 6: Final answer
    x = 21,230.47

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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.