Home / 23,699.75-35,445.05-21,085.60

Finding the Fourth Proportional to 23,699.75, 35,445.05 and 21,085.60

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Solution

The fourth proportional to 23,699.75, 35,445.05 and 21,085.60 is: 31,535.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,699.75 : 35,445.05 = 21,085.60 : x
  2. Step 2: Convert to fraction form
    23,699.75/35,445.05 = 21,085.60/x
  3. Step 3: Cross multiply
    23,699.75x = 35,445.05 × 21,085.60
  4. Step 4: Simplify right side
    23,699.75x = 747,379,969.05
  5. Step 5: Solve for x
    x = 747,379,969.05/23,699.75
  6. Step 6: Final answer
    x = 31,535.36

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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.