Home / 23,285.53-34,938.56-13,289.86

Finding the Fourth Proportional to 23,285.53, 34,938.56 and 13,289.86

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Solution

The fourth proportional to 23,285.53, 34,938.56 and 13,289.86 is: 19,940.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,285.53 : 34,938.56 = 13,289.86 : x
  2. Step 2: Convert to fraction form
    23,285.53/34,938.56 = 13,289.86/x
  3. Step 3: Cross multiply
    23,285.53x = 34,938.56 × 13,289.86
  4. Step 4: Simplify right side
    23,285.53x = 464,328,571.00
  5. Step 5: Solve for x
    x = 464,328,571.00/23,285.53
  6. Step 6: Final answer
    x = 19,940.65

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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.