Home / 20,473.44-28,223.28-14,486.64

Finding the Fourth Proportional to 20,473.44, 28,223.28 and 14,486.64

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Solution

The fourth proportional to 20,473.44, 28,223.28 and 14,486.64 is: 19,970.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,473.44 : 28,223.28 = 14,486.64 : x
  2. Step 2: Convert to fraction form
    20,473.44/28,223.28 = 14,486.64/x
  3. Step 3: Cross multiply
    20,473.44x = 28,223.28 × 14,486.64
  4. Step 4: Simplify right side
    20,473.44x = 408,860,496.98
  5. Step 5: Solve for x
    x = 408,860,496.98/20,473.44
  6. Step 6: Final answer
    x = 19,970.29

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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.