Home / 19,155.68-28,724.27-6,675.41

Finding the Fourth Proportional to 19,155.68, 28,724.27 and 6,675.41

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Solution

The fourth proportional to 19,155.68, 28,724.27 and 6,675.41 is: 10,009.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.68 : 28,724.27 = 6,675.41 : x
  2. Step 2: Convert to fraction form
    19,155.68/28,724.27 = 6,675.41/x
  3. Step 3: Cross multiply
    19,155.68x = 28,724.27 × 6,675.41
  4. Step 4: Simplify right side
    19,155.68x = 191,746,245.82
  5. Step 5: Solve for x
    x = 191,746,245.82/19,155.68
  6. Step 6: Final answer
    x = 10,009.89

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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.