Home / 21,703.23-32,557.28-6,908.72

Finding the Fourth Proportional to 21,703.23, 32,557.28 and 6,908.72

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Solution

The fourth proportional to 21,703.23, 32,557.28 and 6,908.72 is: 10,363.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,703.23 : 32,557.28 = 6,908.72 : x
  2. Step 2: Convert to fraction form
    21,703.23/32,557.28 = 6,908.72/x
  3. Step 3: Cross multiply
    21,703.23x = 32,557.28 × 6,908.72
  4. Step 4: Simplify right side
    21,703.23x = 224,928,934.15
  5. Step 5: Solve for x
    x = 224,928,934.15/21,703.23
  6. Step 6: Final answer
    x = 10,363.85

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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.