Home / 27,753.05-38,300.25-15,816.08

Finding the Fourth Proportional to 27,753.05, 38,300.25 and 15,816.08

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Solution

The fourth proportional to 27,753.05, 38,300.25 and 15,816.08 is: 21,826.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,753.05 : 38,300.25 = 15,816.08 : x
  2. Step 2: Convert to fraction form
    27,753.05/38,300.25 = 15,816.08/x
  3. Step 3: Cross multiply
    27,753.05x = 38,300.25 × 15,816.08
  4. Step 4: Simplify right side
    27,753.05x = 605,759,818.02
  5. Step 5: Solve for x
    x = 605,759,818.02/27,753.05
  6. Step 6: Final answer
    x = 21,826.78

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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.