Home / 25,999.83-35,801.11-21,445.57

Finding the Fourth Proportional to 25,999.83, 35,801.11 and 21,445.57

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Solution

The fourth proportional to 25,999.83, 35,801.11 and 21,445.57 is: 29,530.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,999.83 : 35,801.11 = 21,445.57 : x
  2. Step 2: Convert to fraction form
    25,999.83/35,801.11 = 21,445.57/x
  3. Step 3: Cross multiply
    25,999.83x = 35,801.11 × 21,445.57
  4. Step 4: Simplify right side
    25,999.83x = 767,775,067.47
  5. Step 5: Solve for x
    x = 767,775,067.47/25,999.83
  6. Step 6: Final answer
    x = 29,530.00

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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.