Home / 19,284.84-28,928.26-5,434.92

Finding the Fourth Proportional to 19,284.84, 28,928.26 and 5,434.92

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Solution

The fourth proportional to 19,284.84, 28,928.26 and 5,434.92 is: 8,152.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,284.84 : 28,928.26 = 5,434.92 : x
  2. Step 2: Convert to fraction form
    19,284.84/28,928.26 = 5,434.92/x
  3. Step 3: Cross multiply
    19,284.84x = 28,928.26 × 5,434.92
  4. Step 4: Simplify right side
    19,284.84x = 157,222,778.84
  5. Step 5: Solve for x
    x = 157,222,778.84/19,284.84
  6. Step 6: Final answer
    x = 8,152.66

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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.