Home / 25,428.78-35,093.79-14,101.83

Finding the Fourth Proportional to 25,428.78, 35,093.79 and 14,101.83

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Solution

The fourth proportional to 25,428.78, 35,093.79 and 14,101.83 is: 19,461.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,428.78 : 35,093.79 = 14,101.83 : x
  2. Step 2: Convert to fraction form
    25,428.78/35,093.79 = 14,101.83/x
  3. Step 3: Cross multiply
    25,428.78x = 35,093.79 × 14,101.83
  4. Step 4: Simplify right side
    25,428.78x = 494,886,660.64
  5. Step 5: Solve for x
    x = 494,886,660.64/25,428.78
  6. Step 6: Final answer
    x = 19,461.68

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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.