Home / 27,277.58-37,643.12-15,340.95

Finding the Fourth Proportional to 27,277.58, 37,643.12 and 15,340.95

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Solution

The fourth proportional to 27,277.58, 37,643.12 and 15,340.95 is: 21,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,277.58 : 37,643.12 = 15,340.95 : x
  2. Step 2: Convert to fraction form
    27,277.58/37,643.12 = 15,340.95/x
  3. Step 3: Cross multiply
    27,277.58x = 37,643.12 × 15,340.95
  4. Step 4: Simplify right side
    27,277.58x = 577,481,145.06
  5. Step 5: Solve for x
    x = 577,481,145.06/27,277.58
  6. Step 6: Final answer
    x = 21,170.55

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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.