Home / 19,260.58-28,891.95-5,408.50

Finding the Fourth Proportional to 19,260.58, 28,891.95 and 5,408.50

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Solution

The fourth proportional to 19,260.58, 28,891.95 and 5,408.50 is: 8,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,260.58 : 28,891.95 = 5,408.50 : x
  2. Step 2: Convert to fraction form
    19,260.58/28,891.95 = 5,408.50/x
  3. Step 3: Cross multiply
    19,260.58x = 28,891.95 × 5,408.50
  4. Step 4: Simplify right side
    19,260.58x = 156,262,111.58
  5. Step 5: Solve for x
    x = 156,262,111.58/19,260.58
  6. Step 6: Final answer
    x = 8,113.05

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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.