Home / 23,478.84-35,231.76-13,636.80

Finding the Fourth Proportional to 23,478.84, 35,231.76 and 13,636.80

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Solution

The fourth proportional to 23,478.84, 35,231.76 and 13,636.80 is: 20,463.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,478.84 : 35,231.76 = 13,636.80 : x
  2. Step 2: Convert to fraction form
    23,478.84/35,231.76 = 13,636.80/x
  3. Step 3: Cross multiply
    23,478.84x = 35,231.76 × 13,636.80
  4. Step 4: Simplify right side
    23,478.84x = 480,448,464.77
  5. Step 5: Solve for x
    x = 480,448,464.77/23,478.84
  6. Step 6: Final answer
    x = 20,463.04

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1.5x scale

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.