Home / 19,271.48-28,893.14-13,015.96

Finding the Fourth Proportional to 19,271.48, 28,893.14 and 13,015.96

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Solution

The fourth proportional to 19,271.48, 28,893.14 and 13,015.96 is: 19,514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271.48 : 28,893.14 = 13,015.96 : x
  2. Step 2: Convert to fraction form
    19,271.48/28,893.14 = 13,015.96/x
  3. Step 3: Cross multiply
    19,271.48x = 28,893.14 × 13,015.96
  4. Step 4: Simplify right side
    19,271.48x = 376,071,954.51
  5. Step 5: Solve for x
    x = 376,071,954.51/19,271.48
  6. Step 6: Final answer
    x = 19,514.43

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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.