Home / 28,968.54-43,450.47-11,438.52

Finding the Fourth Proportional to 28,968.54, 43,450.47 and 11,438.52

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Solution

The fourth proportional to 28,968.54, 43,450.47 and 11,438.52 is: 17,156.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,968.54 : 43,450.47 = 11,438.52 : x
  2. Step 2: Convert to fraction form
    28,968.54/43,450.47 = 11,438.52/x
  3. Step 3: Cross multiply
    28,968.54x = 43,450.47 × 11,438.52
  4. Step 4: Simplify right side
    28,968.54x = 497,009,070.10
  5. Step 5: Solve for x
    x = 497,009,070.10/28,968.54
  6. Step 6: Final answer
    x = 17,156.86

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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.