Home / 27,275.70-37,638.36-15,336.66

Finding the Fourth Proportional to 27,275.70, 37,638.36 and 15,336.66

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Solution

The fourth proportional to 27,275.70, 37,638.36 and 15,336.66 is: 21,163.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,275.70 : 37,638.36 = 15,336.66 : x
  2. Step 2: Convert to fraction form
    27,275.70/37,638.36 = 15,336.66/x
  3. Step 3: Cross multiply
    27,275.70x = 37,638.36 × 15,336.66
  4. Step 4: Simplify right side
    27,275.70x = 577,246,730.28
  5. Step 5: Solve for x
    x = 577,246,730.28/27,275.70
  6. Step 6: Final answer
    x = 21,163.41

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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.