Home / 21,730.63-32,595.67-6,939.36

Finding the Fourth Proportional to 21,730.63, 32,595.67 and 6,939.36

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Solution

The fourth proportional to 21,730.63, 32,595.67 and 6,939.36 is: 10,408.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730.63 : 32,595.67 = 6,939.36 : x
  2. Step 2: Convert to fraction form
    21,730.63/32,595.67 = 6,939.36/x
  3. Step 3: Cross multiply
    21,730.63x = 32,595.67 × 6,939.36
  4. Step 4: Simplify right side
    21,730.63x = 226,193,088.57
  5. Step 5: Solve for x
    x = 226,193,088.57/21,730.63
  6. Step 6: Final answer
    x = 10,408.95

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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.