Home / 23,755.44-32,782.74-13,145.31

Finding the Fourth Proportional to 23,755.44, 32,782.74 and 13,145.31

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Solution

The fourth proportional to 23,755.44, 32,782.74 and 13,145.31 is: 18,140.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,755.44 : 32,782.74 = 13,145.31 : x
  2. Step 2: Convert to fraction form
    23,755.44/32,782.74 = 13,145.31/x
  3. Step 3: Cross multiply
    23,755.44x = 32,782.74 × 13,145.31
  4. Step 4: Simplify right side
    23,755.44x = 430,939,279.95
  5. Step 5: Solve for x
    x = 430,939,279.95/23,755.44
  6. Step 6: Final answer
    x = 18,140.66

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1.5x scale

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.