Home / 19,019.68-28,532.61-5,869

Finding the Fourth Proportional to 19,019.68, 28,532.61 and 5,869

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Solution

The fourth proportional to 19,019.68, 28,532.61 and 5,869 is: 8,804.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.68 : 28,532.61 = 5,869 : x
  2. Step 2: Convert to fraction form
    19,019.68/28,532.61 = 5,869/x
  3. Step 3: Cross multiply
    19,019.68x = 28,532.61 × 5,869
  4. Step 4: Simplify right side
    19,019.68x = 167,457,888.09
  5. Step 5: Solve for x
    x = 167,457,888.09/19,019.68
  6. Step 6: Final answer
    x = 8,804.45

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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.