Home / 39,660.32-54,652.16-28,297.79

Finding the Fourth Proportional to 39,660.32, 54,652.16 and 28,297.79

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Solution

The fourth proportional to 39,660.32, 54,652.16 and 28,297.79 is: 38,994.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,660.32 : 54,652.16 = 28,297.79 : x
  2. Step 2: Convert to fraction form
    39,660.32/54,652.16 = 28,297.79/x
  3. Step 3: Cross multiply
    39,660.32x = 54,652.16 × 28,297.79
  4. Step 4: Simplify right side
    39,660.32x = 1,546,534,931.98
  5. Step 5: Solve for x
    x = 1,546,534,931.98/39,660.32
  6. Step 6: Final answer
    x = 38,994.52

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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.