Home / 21,627.50-32,226.24-19,269.38

Finding the Fourth Proportional to 21,627.50, 32,226.24 and 19,269.38

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Solution

The fourth proportional to 21,627.50, 32,226.24 and 19,269.38 is: 28,712.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,627.50 : 32,226.24 = 19,269.38 : x
  2. Step 2: Convert to fraction form
    21,627.50/32,226.24 = 19,269.38/x
  3. Step 3: Cross multiply
    21,627.50x = 32,226.24 × 19,269.38
  4. Step 4: Simplify right side
    21,627.50x = 620,979,503.40
  5. Step 5: Solve for x
    x = 620,979,503.40/21,627.50
  6. Step 6: Final answer
    x = 28,712.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.