Home / 28,837.87-43,256.81-11,315.95

Finding the Fourth Proportional to 28,837.87, 43,256.81 and 11,315.95

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Solution

The fourth proportional to 28,837.87, 43,256.81 and 11,315.95 is: 16,973.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,837.87 : 43,256.81 = 11,315.95 : x
  2. Step 2: Convert to fraction form
    28,837.87/43,256.81 = 11,315.95/x
  3. Step 3: Cross multiply
    28,837.87x = 43,256.81 × 11,315.95
  4. Step 4: Simplify right side
    28,837.87x = 489,491,899.12
  5. Step 5: Solve for x
    x = 489,491,899.12/28,837.87
  6. Step 6: Final answer
    x = 16,973.93

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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.