Home / 19,262.24-28,890.08-5,408

Finding the Fourth Proportional to 19,262.24, 28,890.08 and 5,408

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Solution

The fourth proportional to 19,262.24, 28,890.08 and 5,408 is: 8,111.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,262.24 : 28,890.08 = 5,408 : x
  2. Step 2: Convert to fraction form
    19,262.24/28,890.08 = 5,408/x
  3. Step 3: Cross multiply
    19,262.24x = 28,890.08 × 5,408
  4. Step 4: Simplify right side
    19,262.24x = 156,237,552.64
  5. Step 5: Solve for x
    x = 156,237,552.64/19,262.24
  6. Step 6: Final answer
    x = 8,111.08

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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.