Home / 19,244.84-28,837.48-12,980.28

Finding the Fourth Proportional to 19,244.84, 28,837.48 and 12,980.28

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Solution

The fourth proportional to 19,244.84, 28,837.48 and 12,980.28 is: 19,450.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,244.84 : 28,837.48 = 12,980.28 : x
  2. Step 2: Convert to fraction form
    19,244.84/28,837.48 = 12,980.28/x
  3. Step 3: Cross multiply
    19,244.84x = 28,837.48 × 12,980.28
  4. Step 4: Simplify right side
    19,244.84x = 374,318,564.89
  5. Step 5: Solve for x
    x = 374,318,564.89/19,244.84
  6. Step 6: Final answer
    x = 19,450.33

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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.