Home / 25,811.74-35,618.94-14,479.84

Finding the Fourth Proportional to 25,811.74, 35,618.94 and 14,479.84

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Solution

The fourth proportional to 25,811.74, 35,618.94 and 14,479.84 is: 19,981.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,811.74 : 35,618.94 = 14,479.84 : x
  2. Step 2: Convert to fraction form
    25,811.74/35,618.94 = 14,479.84/x
  3. Step 3: Cross multiply
    25,811.74x = 35,618.94 × 14,479.84
  4. Step 4: Simplify right side
    25,811.74x = 515,756,552.17
  5. Step 5: Solve for x
    x = 515,756,552.17/25,811.74
  6. Step 6: Final answer
    x = 19,981.47

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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.