Home / 20,447.84-28,200.53-14,084.58

Finding the Fourth Proportional to 20,447.84, 28,200.53 and 14,084.58

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Solution

The fourth proportional to 20,447.84, 28,200.53 and 14,084.58 is: 19,424.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,447.84 : 28,200.53 = 14,084.58 : x
  2. Step 2: Convert to fraction form
    20,447.84/28,200.53 = 14,084.58/x
  3. Step 3: Cross multiply
    20,447.84x = 28,200.53 × 14,084.58
  4. Step 4: Simplify right side
    20,447.84x = 397,192,722.18
  5. Step 5: Solve for x
    x = 397,192,722.18/20,447.84
  6. Step 6: Final answer
    x = 19,424.68

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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.