Home / 28,999.08-43,427.34-14,160.15

Finding the Fourth Proportional to 28,999.08, 43,427.34 and 14,160.15

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Solution

The fourth proportional to 28,999.08, 43,427.34 and 14,160.15 is: 21,205.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.08 : 43,427.34 = 14,160.15 : x
  2. Step 2: Convert to fraction form
    28,999.08/43,427.34 = 14,160.15/x
  3. Step 3: Cross multiply
    28,999.08x = 43,427.34 × 14,160.15
  4. Step 4: Simplify right side
    28,999.08x = 614,937,648.50
  5. Step 5: Solve for x
    x = 614,937,648.50/28,999.08
  6. Step 6: Final answer
    x = 21,205.42

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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.