Home / 28,706.33-43,059.50-8,985.06

Finding the Fourth Proportional to 28,706.33, 43,059.50 and 8,985.06

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Solution

The fourth proportional to 28,706.33, 43,059.50 and 8,985.06 is: 13,477.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,706.33 : 43,059.50 = 8,985.06 : x
  2. Step 2: Convert to fraction form
    28,706.33/43,059.50 = 8,985.06/x
  3. Step 3: Cross multiply
    28,706.33x = 43,059.50 × 8,985.06
  4. Step 4: Simplify right side
    28,706.33x = 386,892,146.14
  5. Step 5: Solve for x
    x = 386,892,146.14/28,706.33
  6. Step 6: Final answer
    x = 13,477.59

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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.