Home / 25,940.10-35,795.87-15,330.72

Finding the Fourth Proportional to 25,940.10, 35,795.87 and 15,330.72

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Solution

The fourth proportional to 25,940.10, 35,795.87 and 15,330.72 is: 21,155.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,940.10 : 35,795.87 = 15,330.72 : x
  2. Step 2: Convert to fraction form
    25,940.10/35,795.87 = 15,330.72/x
  3. Step 3: Cross multiply
    25,940.10x = 35,795.87 × 15,330.72
  4. Step 4: Simplify right side
    25,940.10x = 548,776,460.13
  5. Step 5: Solve for x
    x = 548,776,460.13/25,940.10
  6. Step 6: Final answer
    x = 21,155.53

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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.