Home / 19,004.65-28,510.04-5,857.02

Finding the Fourth Proportional to 19,004.65, 28,510.04 and 5,857.02

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Solution

The fourth proportional to 19,004.65, 28,510.04 and 5,857.02 is: 8,786.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,004.65 : 28,510.04 = 5,857.02 : x
  2. Step 2: Convert to fraction form
    19,004.65/28,510.04 = 5,857.02/x
  3. Step 3: Cross multiply
    19,004.65x = 28,510.04 × 5,857.02
  4. Step 4: Simplify right side
    19,004.65x = 166,983,874.48
  5. Step 5: Solve for x
    x = 166,983,874.48/19,004.65
  6. Step 6: Final answer
    x = 8,786.47

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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.