Home / 23,479.75-35,208.47-13,622.05

Finding the Fourth Proportional to 23,479.75, 35,208.47 and 13,622.05

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Solution

The fourth proportional to 23,479.75, 35,208.47 and 13,622.05 is: 20,426.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,479.75 : 35,208.47 = 13,622.05 : x
  2. Step 2: Convert to fraction form
    23,479.75/35,208.47 = 13,622.05/x
  3. Step 3: Cross multiply
    23,479.75x = 35,208.47 × 13,622.05
  4. Step 4: Simplify right side
    23,479.75x = 479,611,484.80
  5. Step 5: Solve for x
    x = 479,611,484.80/23,479.75
  6. Step 6: Final answer
    x = 20,426.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.