Home / 27,850.76-38,434.04-15,275.52

Finding the Fourth Proportional to 27,850.76, 38,434.04 and 15,275.52

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Solution

The fourth proportional to 27,850.76, 38,434.04 and 15,275.52 is: 21,080.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,850.76 : 38,434.04 = 15,275.52 : x
  2. Step 2: Convert to fraction form
    27,850.76/38,434.04 = 15,275.52/x
  3. Step 3: Cross multiply
    27,850.76x = 38,434.04 × 15,275.52
  4. Step 4: Simplify right side
    27,850.76x = 587,099,946.70
  5. Step 5: Solve for x
    x = 587,099,946.70/27,850.76
  6. Step 6: Final answer
    x = 21,080.21

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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.