Home / 27,777.16-38,331.52-15,844.34

Finding the Fourth Proportional to 27,777.16, 38,331.52 and 15,844.34

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Solution

The fourth proportional to 27,777.16, 38,331.52 and 15,844.34 is: 21,864.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,777.16 : 38,331.52 = 15,844.34 : x
  2. Step 2: Convert to fraction form
    27,777.16/38,331.52 = 15,844.34/x
  3. Step 3: Cross multiply
    27,777.16x = 38,331.52 × 15,844.34
  4. Step 4: Simplify right side
    27,777.16x = 607,337,635.60
  5. Step 5: Solve for x
    x = 607,337,635.60/27,777.16
  6. Step 6: Final answer
    x = 21,864.64

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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.