Home / 27,407.40-41,111.10-21,830.55

Finding the Fourth Proportional to 27,407.40, 41,111.10 and 21,830.55

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Solution

The fourth proportional to 27,407.40, 41,111.10 and 21,830.55 is: 32,745.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,407.40 : 41,111.10 = 21,830.55 : x
  2. Step 2: Convert to fraction form
    27,407.40/41,111.10 = 21,830.55/x
  3. Step 3: Cross multiply
    27,407.40x = 41,111.10 × 21,830.55
  4. Step 4: Simplify right side
    27,407.40x = 897,477,924.11
  5. Step 5: Solve for x
    x = 897,477,924.11/27,407.40
  6. Step 6: Final answer
    x = 32,745.83

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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.