Home / 19,051.45-28,566.75-15,127.91

Finding the Fourth Proportional to 19,051.45, 28,566.75 and 15,127.91

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Solution

The fourth proportional to 19,051.45, 28,566.75 and 15,127.91 is: 22,683.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051.45 : 28,566.75 = 15,127.91 : x
  2. Step 2: Convert to fraction form
    19,051.45/28,566.75 = 15,127.91/x
  3. Step 3: Cross multiply
    19,051.45x = 28,566.75 × 15,127.91
  4. Step 4: Simplify right side
    19,051.45x = 432,155,004.52
  5. Step 5: Solve for x
    x = 432,155,004.52/19,051.45
  6. Step 6: Final answer
    x = 22,683.58

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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.