Home / 25,709.36-35,479.07-14,960.61

Finding the Fourth Proportional to 25,709.36, 35,479.07 and 14,960.61

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Solution

The fourth proportional to 25,709.36, 35,479.07 and 14,960.61 is: 20,645.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,709.36 : 35,479.07 = 14,960.61 : x
  2. Step 2: Convert to fraction form
    25,709.36/35,479.07 = 14,960.61/x
  3. Step 3: Cross multiply
    25,709.36x = 35,479.07 × 14,960.61
  4. Step 4: Simplify right side
    25,709.36x = 530,788,510.73
  5. Step 5: Solve for x
    x = 530,788,510.73/25,709.36
  6. Step 6: Final answer
    x = 20,645.73

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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.