Home / 23,521.46-35,285.31-12,428.60

Finding the Fourth Proportional to 23,521.46, 35,285.31 and 12,428.60

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Solution

The fourth proportional to 23,521.46, 35,285.31 and 12,428.60 is: 18,644.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,521.46 : 35,285.31 = 12,428.60 : x
  2. Step 2: Convert to fraction form
    23,521.46/35,285.31 = 12,428.60/x
  3. Step 3: Cross multiply
    23,521.46x = 35,285.31 × 12,428.60
  4. Step 4: Simplify right side
    23,521.46x = 438,546,827.44
  5. Step 5: Solve for x
    x = 438,546,827.44/23,521.46
  6. Step 6: Final answer
    x = 18,644.55

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1.5x scale

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.