Home / 27,438.01-41,113.77-21,213.25

Finding the Fourth Proportional to 27,438.01, 41,113.77 and 21,213.25

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Solution

The fourth proportional to 27,438.01, 41,113.77 and 21,213.25 is: 31,786.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,438.01 : 41,113.77 = 21,213.25 : x
  2. Step 2: Convert to fraction form
    27,438.01/41,113.77 = 21,213.25/x
  3. Step 3: Cross multiply
    27,438.01x = 41,113.77 × 21,213.25
  4. Step 4: Simplify right side
    27,438.01x = 872,156,681.45
  5. Step 5: Solve for x
    x = 872,156,681.45/27,438.01
  6. Step 6: Final answer
    x = 31,786.44

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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.