Home / 21,779.52-30,044.66-14,230.27

Finding the Fourth Proportional to 21,779.52, 30,044.66 and 14,230.27

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Solution

The fourth proportional to 21,779.52, 30,044.66 and 14,230.27 is: 19,630.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,779.52 : 30,044.66 = 14,230.27 : x
  2. Step 2: Convert to fraction form
    21,779.52/30,044.66 = 14,230.27/x
  3. Step 3: Cross multiply
    21,779.52x = 30,044.66 × 14,230.27
  4. Step 4: Simplify right side
    21,779.52x = 427,543,608.05
  5. Step 5: Solve for x
    x = 427,543,608.05/21,779.52
  6. Step 6: Final answer
    x = 19,630.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.