Home / 25,296.28-34,908.66-13,965.76

Finding the Fourth Proportional to 25,296.28, 34,908.66 and 13,965.76

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Solution

The fourth proportional to 25,296.28, 34,908.66 and 13,965.76 is: 19,272.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,296.28 : 34,908.66 = 13,965.76 : x
  2. Step 2: Convert to fraction form
    25,296.28/34,908.66 = 13,965.76/x
  3. Step 3: Cross multiply
    25,296.28x = 34,908.66 × 13,965.76
  4. Step 4: Simplify right side
    25,296.28x = 487,525,880.21
  5. Step 5: Solve for x
    x = 487,525,880.21/25,296.28
  6. Step 6: Final answer
    x = 19,272.63

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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.