Home / 27,832.05-38,406.78-15,893.04

Finding the Fourth Proportional to 27,832.05, 38,406.78 and 15,893.04

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Solution

The fourth proportional to 27,832.05, 38,406.78 and 15,893.04 is: 21,931.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,832.05 : 38,406.78 = 15,893.04 : x
  2. Step 2: Convert to fraction form
    27,832.05/38,406.78 = 15,893.04/x
  3. Step 3: Cross multiply
    27,832.05x = 38,406.78 × 15,893.04
  4. Step 4: Simplify right side
    27,832.05x = 610,400,490.81
  5. Step 5: Solve for x
    x = 610,400,490.81/27,832.05
  6. Step 6: Final answer
    x = 21,931.57

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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.