Home / 27,928.02-41,905.70-13,138.44

Finding the Fourth Proportional to 27,928.02, 41,905.70 and 13,138.44

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Solution

The fourth proportional to 27,928.02, 41,905.70 and 13,138.44 is: 19,714.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,928.02 : 41,905.70 = 13,138.44 : x
  2. Step 2: Convert to fraction form
    27,928.02/41,905.70 = 13,138.44/x
  3. Step 3: Cross multiply
    27,928.02x = 41,905.70 × 13,138.44
  4. Step 4: Simplify right side
    27,928.02x = 550,575,525.11
  5. Step 5: Solve for x
    x = 550,575,525.11/27,928.02
  6. Step 6: Final answer
    x = 19,714.09

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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.