Home / 27,734.39-38,274.99-15,801.47

Finding the Fourth Proportional to 27,734.39, 38,274.99 and 15,801.47

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Solution

The fourth proportional to 27,734.39, 38,274.99 and 15,801.47 is: 21,806.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,734.39 : 38,274.99 = 15,801.47 : x
  2. Step 2: Convert to fraction form
    27,734.39/38,274.99 = 15,801.47/x
  3. Step 3: Cross multiply
    27,734.39x = 38,274.99 × 15,801.47
  4. Step 4: Simplify right side
    27,734.39x = 604,801,106.24
  5. Step 5: Solve for x
    x = 604,801,106.24/27,734.39
  6. Step 6: Final answer
    x = 21,806.90

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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.