Home / 27,908.53-38,513.09-15,971.10

Finding the Fourth Proportional to 27,908.53, 38,513.09 and 15,971.10

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Solution

The fourth proportional to 27,908.53, 38,513.09 and 15,971.10 is: 22,039.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,908.53 : 38,513.09 = 15,971.10 : x
  2. Step 2: Convert to fraction form
    27,908.53/38,513.09 = 15,971.10/x
  3. Step 3: Cross multiply
    27,908.53x = 38,513.09 × 15,971.10
  4. Step 4: Simplify right side
    27,908.53x = 615,096,411.70
  5. Step 5: Solve for x
    x = 615,096,411.70/27,908.53
  6. Step 6: Final answer
    x = 22,039.73

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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.