Home / 25,284.97-34,890.81-13,953.79

Finding the Fourth Proportional to 25,284.97, 34,890.81 and 13,953.79

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Solution

The fourth proportional to 25,284.97, 34,890.81 and 13,953.79 is: 19,254.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,284.97 : 34,890.81 = 13,953.79 : x
  2. Step 2: Convert to fraction form
    25,284.97/34,890.81 = 13,953.79/x
  3. Step 3: Cross multiply
    25,284.97x = 34,890.81 × 13,953.79
  4. Step 4: Simplify right side
    25,284.97x = 486,858,880.98
  5. Step 5: Solve for x
    x = 486,858,880.98/25,284.97
  6. Step 6: Final answer
    x = 19,254.88

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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.