Home / 47,297.22-65,269.28-25,787.20

Finding the Fourth Proportional to 47,297.22, 65,269.28 and 25,787.20

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Solution

The fourth proportional to 47,297.22, 65,269.28 and 25,787.20 is: 35,585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,297.22 : 65,269.28 = 25,787.20 : x
  2. Step 2: Convert to fraction form
    47,297.22/65,269.28 = 25,787.20/x
  3. Step 3: Cross multiply
    47,297.22x = 65,269.28 × 25,787.20
  4. Step 4: Simplify right side
    47,297.22x = 1,683,111,977.22
  5. Step 5: Solve for x
    x = 1,683,111,977.22/47,297.22
  6. Step 6: Final answer
    x = 35,585.85

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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.