Home / 27,868.50-38,458.53-15,293.25

Finding the Fourth Proportional to 27,868.50, 38,458.53 and 15,293.25

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Solution

The fourth proportional to 27,868.50, 38,458.53 and 15,293.25 is: 21,104.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,868.50 : 38,458.53 = 15,293.25 : x
  2. Step 2: Convert to fraction form
    27,868.50/38,458.53 = 15,293.25/x
  3. Step 3: Cross multiply
    27,868.50x = 38,458.53 × 15,293.25
  4. Step 4: Simplify right side
    27,868.50x = 588,155,913.92
  5. Step 5: Solve for x
    x = 588,155,913.92/27,868.50
  6. Step 6: Final answer
    x = 21,104.69

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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.