Home / 21,957.04-32,964-18,857.08

Finding the Fourth Proportional to 21,957.04, 32,964 and 18,857.08

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Solution

The fourth proportional to 21,957.04, 32,964 and 18,857.08 is: 28,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,957.04 : 32,964 = 18,857.08 : x
  2. Step 2: Convert to fraction form
    21,957.04/32,964 = 18,857.08/x
  3. Step 3: Cross multiply
    21,957.04x = 32,964 × 18,857.08
  4. Step 4: Simplify right side
    21,957.04x = 621,604,785.12
  5. Step 5: Solve for x
    x = 621,604,785.12/21,957.04
  6. Step 6: Final answer
    x = 28,310.04

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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.