Home / 19,137.96-28,707.75-5,990.04

Finding the Fourth Proportional to 19,137.96, 28,707.75 and 5,990.04

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Solution

The fourth proportional to 19,137.96, 28,707.75 and 5,990.04 is: 8,985.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,137.96 : 28,707.75 = 5,990.04 : x
  2. Step 2: Convert to fraction form
    19,137.96/28,707.75 = 5,990.04/x
  3. Step 3: Cross multiply
    19,137.96x = 28,707.75 × 5,990.04
  4. Step 4: Simplify right side
    19,137.96x = 171,960,570.81
  5. Step 5: Solve for x
    x = 171,960,570.81/19,137.96
  6. Step 6: Final answer
    x = 8,985.31

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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.