Home / 25,321.02-34,942.42-13,989.93

Finding the Fourth Proportional to 25,321.02, 34,942.42 and 13,989.93

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Solution

The fourth proportional to 25,321.02, 34,942.42 and 13,989.93 is: 19,305.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,321.02 : 34,942.42 = 13,989.93 : x
  2. Step 2: Convert to fraction form
    25,321.02/34,942.42 = 13,989.93/x
  3. Step 3: Cross multiply
    25,321.02x = 34,942.42 × 13,989.93
  4. Step 4: Simplify right side
    25,321.02x = 488,841,765.17
  5. Step 5: Solve for x
    x = 488,841,765.17/25,321.02
  6. Step 6: Final answer
    x = 19,305.77

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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.