Home / 21,890.04-32,826.76-7,846.28

Finding the Fourth Proportional to 21,890.04, 32,826.76 and 7,846.28

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Solution

The fourth proportional to 21,890.04, 32,826.76 and 7,846.28 is: 11,766.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,890.04 : 32,826.76 = 7,846.28 : x
  2. Step 2: Convert to fraction form
    21,890.04/32,826.76 = 7,846.28/x
  3. Step 3: Cross multiply
    21,890.04x = 32,826.76 × 7,846.28
  4. Step 4: Simplify right side
    21,890.04x = 257,567,950.45
  5. Step 5: Solve for x
    x = 257,567,950.45/21,890.04
  6. Step 6: Final answer
    x = 11,766.44

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1.5x scale

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.