Home / 28,619.84-42,944.34-13,035.44

Finding the Fourth Proportional to 28,619.84, 42,944.34 and 13,035.44

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Solution

The fourth proportional to 28,619.84, 42,944.34 and 13,035.44 is: 19,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,619.84 : 42,944.34 = 13,035.44 : x
  2. Step 2: Convert to fraction form
    28,619.84/42,944.34 = 13,035.44/x
  3. Step 3: Cross multiply
    28,619.84x = 42,944.34 × 13,035.44
  4. Step 4: Simplify right side
    28,619.84x = 559,798,367.41
  5. Step 5: Solve for x
    x = 559,798,367.41/28,619.84
  6. Step 6: Final answer
    x = 19,559.80

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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.