Home / 30,928-46,330.56-15,297.92

Finding the Fourth Proportional to 30,928, 46,330.56 and 15,297.92

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Solution

The fourth proportional to 30,928, 46,330.56 and 15,297.92 is: 22,916.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,928 : 46,330.56 = 15,297.92 : x
  2. Step 2: Convert to fraction form
    30,928/46,330.56 = 15,297.92/x
  3. Step 3: Cross multiply
    30,928x = 46,330.56 × 15,297.92
  4. Step 4: Simplify right side
    30,928x = 708,761,200.44
  5. Step 5: Solve for x
    x = 708,761,200.44/30,928
  6. Step 6: Final answer
    x = 22,916.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.