Home / 25,771.16-38,832.26-21,193.70

Finding the Fourth Proportional to 25,771.16, 38,832.26 and 21,193.70

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Solution

The fourth proportional to 25,771.16, 38,832.26 and 21,193.70 is: 31,934.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,771.16 : 38,832.26 = 21,193.70 : x
  2. Step 2: Convert to fraction form
    25,771.16/38,832.26 = 21,193.70/x
  3. Step 3: Cross multiply
    25,771.16x = 38,832.26 × 21,193.70
  4. Step 4: Simplify right side
    25,771.16x = 822,999,268.76
  5. Step 5: Solve for x
    x = 822,999,268.76/25,771.16
  6. Step 6: Final answer
    x = 31,934.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.