Home / 25,275.87-34,880.85-13,945.19

Finding the Fourth Proportional to 25,275.87, 34,880.85 and 13,945.19

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Solution

The fourth proportional to 25,275.87, 34,880.85 and 13,945.19 is: 19,244.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,275.87 : 34,880.85 = 13,945.19 : x
  2. Step 2: Convert to fraction form
    25,275.87/34,880.85 = 13,945.19/x
  3. Step 3: Cross multiply
    25,275.87x = 34,880.85 × 13,945.19
  4. Step 4: Simplify right side
    25,275.87x = 486,419,906.21
  5. Step 5: Solve for x
    x = 486,419,906.21/25,275.87
  6. Step 6: Final answer
    x = 19,244.44

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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.