Home / 21,795.32-32,675.70-8,651

Finding the Fourth Proportional to 21,795.32, 32,675.70 and 8,651

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Solution

The fourth proportional to 21,795.32, 32,675.70 and 8,651 is: 12,969.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,795.32 : 32,675.70 = 8,651 : x
  2. Step 2: Convert to fraction form
    21,795.32/32,675.70 = 8,651/x
  3. Step 3: Cross multiply
    21,795.32x = 32,675.70 × 8,651
  4. Step 4: Simplify right side
    21,795.32x = 282,677,480.70
  5. Step 5: Solve for x
    x = 282,677,480.70/21,795.32
  6. Step 6: Final answer
    x = 12,969.64

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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.