Home / 20,577.03-28,376.79-14,193.42

Finding the Fourth Proportional to 20,577.03, 28,376.79 and 14,193.42

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Solution

The fourth proportional to 20,577.03, 28,376.79 and 14,193.42 is: 19,573.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,577.03 : 28,376.79 = 14,193.42 : x
  2. Step 2: Convert to fraction form
    20,577.03/28,376.79 = 14,193.42/x
  3. Step 3: Cross multiply
    20,577.03x = 28,376.79 × 14,193.42
  4. Step 4: Simplify right side
    20,577.03x = 402,763,698.72
  5. Step 5: Solve for x
    x = 402,763,698.72/20,577.03
  6. Step 6: Final answer
    x = 19,573.46

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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.