Home / 21,023.58-31,535.29-6,984.66

Finding the Fourth Proportional to 21,023.58, 31,535.29 and 6,984.66

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Solution

The fourth proportional to 21,023.58, 31,535.29 and 6,984.66 is: 10,476.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,023.58 : 31,535.29 = 6,984.66 : x
  2. Step 2: Convert to fraction form
    21,023.58/31,535.29 = 6,984.66/x
  3. Step 3: Cross multiply
    21,023.58x = 31,535.29 × 6,984.66
  4. Step 4: Simplify right side
    21,023.58x = 220,263,405.64
  5. Step 5: Solve for x
    x = 220,263,405.64/21,023.58
  6. Step 6: Final answer
    x = 10,476.97

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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.