Home / 25,721.69-35,481.64-14,965.36

Finding the Fourth Proportional to 25,721.69, 35,481.64 and 14,965.36

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Solution

The fourth proportional to 25,721.69, 35,481.64 and 14,965.36 is: 20,643.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,721.69 : 35,481.64 = 14,965.36 : x
  2. Step 2: Convert to fraction form
    25,721.69/35,481.64 = 14,965.36/x
  3. Step 3: Cross multiply
    25,721.69x = 35,481.64 × 14,965.36
  4. Step 4: Simplify right side
    25,721.69x = 530,995,515.99
  5. Step 5: Solve for x
    x = 530,995,515.99/25,721.69
  6. Step 6: Final answer
    x = 20,643.88

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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.