Home / 19,071.22-28,606.74-4,839.70

Finding the Fourth Proportional to 19,071.22, 28,606.74 and 4,839.70

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Solution

The fourth proportional to 19,071.22, 28,606.74 and 4,839.70 is: 7,259.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.22 : 28,606.74 = 4,839.70 : x
  2. Step 2: Convert to fraction form
    19,071.22/28,606.74 = 4,839.70/x
  3. Step 3: Cross multiply
    19,071.22x = 28,606.74 × 4,839.70
  4. Step 4: Simplify right side
    19,071.22x = 138,448,039.58
  5. Step 5: Solve for x
    x = 138,448,039.58/19,071.22
  6. Step 6: Final answer
    x = 7,259.53

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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.