Home / 25,203.45-34,780.79-14,025.45

Finding the Fourth Proportional to 25,203.45, 34,780.79 and 14,025.45

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Solution

The fourth proportional to 25,203.45, 34,780.79 and 14,025.45 is: 19,355.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,203.45 : 34,780.79 = 14,025.45 : x
  2. Step 2: Convert to fraction form
    25,203.45/34,780.79 = 14,025.45/x
  3. Step 3: Cross multiply
    25,203.45x = 34,780.79 × 14,025.45
  4. Step 4: Simplify right side
    25,203.45x = 487,816,231.11
  5. Step 5: Solve for x
    x = 487,816,231.11/25,203.45
  6. Step 6: Final answer
    x = 19,355.14

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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.