Home / 28,954.86-43,432.74-11,424.53

Finding the Fourth Proportional to 28,954.86, 43,432.74 and 11,424.53

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Solution

The fourth proportional to 28,954.86, 43,432.74 and 11,424.53 is: 17,136.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954.86 : 43,432.74 = 11,424.53 : x
  2. Step 2: Convert to fraction form
    28,954.86/43,432.74 = 11,424.53/x
  3. Step 3: Cross multiply
    28,954.86x = 43,432.74 × 11,424.53
  4. Step 4: Simplify right side
    28,954.86x = 496,198,641.11
  5. Step 5: Solve for x
    x = 496,198,641.11/28,954.86
  6. Step 6: Final answer
    x = 17,136.98

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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.