Home / 27,921.84-38,532.43-15,175.02

Finding the Fourth Proportional to 27,921.84, 38,532.43 and 15,175.02

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Solution

The fourth proportional to 27,921.84, 38,532.43 and 15,175.02 is: 20,941.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,921.84 : 38,532.43 = 15,175.02 : x
  2. Step 2: Convert to fraction form
    27,921.84/38,532.43 = 15,175.02/x
  3. Step 3: Cross multiply
    27,921.84x = 38,532.43 × 15,175.02
  4. Step 4: Simplify right side
    27,921.84x = 584,730,299.57
  5. Step 5: Solve for x
    x = 584,730,299.57/27,921.84
  6. Step 6: Final answer
    x = 20,941.69

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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.