Home / 19,017.57-28,529.09-5,871.07

Finding the Fourth Proportional to 19,017.57, 28,529.09 and 5,871.07

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Solution

The fourth proportional to 19,017.57, 28,529.09 and 5,871.07 is: 8,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.57 : 28,529.09 = 5,871.07 : x
  2. Step 2: Convert to fraction form
    19,017.57/28,529.09 = 5,871.07/x
  3. Step 3: Cross multiply
    19,017.57x = 28,529.09 × 5,871.07
  4. Step 4: Simplify right side
    19,017.57x = 167,496,284.43
  5. Step 5: Solve for x
    x = 167,496,284.43/19,017.57
  6. Step 6: Final answer
    x = 8,807.45

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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.