Home / 28,355.42-42,445.65-25,936.22

Finding the Fourth Proportional to 28,355.42, 42,445.65 and 25,936.22

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Solution

The fourth proportional to 28,355.42, 42,445.65 and 25,936.22 is: 38,824.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,355.42 : 42,445.65 = 25,936.22 : x
  2. Step 2: Convert to fraction form
    28,355.42/42,445.65 = 25,936.22/x
  3. Step 3: Cross multiply
    28,355.42x = 42,445.65 × 25,936.22
  4. Step 4: Simplify right side
    28,355.42x = 1,100,879,716.44
  5. Step 5: Solve for x
    x = 1,100,879,716.44/28,355.42
  6. Step 6: Final answer
    x = 38,824.31

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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.