Home / 27,275.31-37,640.84-15,340.95

Finding the Fourth Proportional to 27,275.31, 37,640.84 and 15,340.95

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Solution

The fourth proportional to 27,275.31, 37,640.84 and 15,340.95 is: 21,171.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,275.31 : 37,640.84 = 15,340.95 : x
  2. Step 2: Convert to fraction form
    27,275.31/37,640.84 = 15,340.95/x
  3. Step 3: Cross multiply
    27,275.31x = 37,640.84 × 15,340.95
  4. Step 4: Simplify right side
    27,275.31x = 577,446,167.69
  5. Step 5: Solve for x
    x = 577,446,167.69/27,275.31
  6. Step 6: Final answer
    x = 21,171.02

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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.