Home / 25,755.79-35,543.87-15,146.41

Finding the Fourth Proportional to 25,755.79, 35,543.87 and 15,146.41

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Solution

The fourth proportional to 25,755.79, 35,543.87 and 15,146.41 is: 20,902.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,755.79 : 35,543.87 = 15,146.41 : x
  2. Step 2: Convert to fraction form
    25,755.79/35,543.87 = 15,146.41/x
  3. Step 3: Cross multiply
    25,755.79x = 35,543.87 × 15,146.41
  4. Step 4: Simplify right side
    25,755.79x = 538,362,028.01
  5. Step 5: Solve for x
    x = 538,362,028.01/25,755.79
  6. Step 6: Final answer
    x = 20,902.56

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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.