Home / 21,783.08-32,671.54-6,993.28

Finding the Fourth Proportional to 21,783.08, 32,671.54 and 6,993.28

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Solution

The fourth proportional to 21,783.08, 32,671.54 and 6,993.28 is: 10,488.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,783.08 : 32,671.54 = 6,993.28 : x
  2. Step 2: Convert to fraction form
    21,783.08/32,671.54 = 6,993.28/x
  3. Step 3: Cross multiply
    21,783.08x = 32,671.54 × 6,993.28
  4. Step 4: Simplify right side
    21,783.08x = 228,481,227.25
  5. Step 5: Solve for x
    x = 228,481,227.25/21,783.08
  6. Step 6: Final answer
    x = 10,488.93

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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.