Home / 45,685.28-63,027-27,777.44

Finding the Fourth Proportional to 45,685.28, 63,027 and 27,777.44

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Solution

The fourth proportional to 45,685.28, 63,027 and 27,777.44 is: 38,321.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,685.28 : 63,027 = 27,777.44 : x
  2. Step 2: Convert to fraction form
    45,685.28/63,027 = 27,777.44/x
  3. Step 3: Cross multiply
    45,685.28x = 63,027 × 27,777.44
  4. Step 4: Simplify right side
    45,685.28x = 1,750,728,710.88
  5. Step 5: Solve for x
    x = 1,750,728,710.88/45,685.28
  6. Step 6: Final answer
    x = 38,321.51

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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.