Home / 27,980.06-38,608.50-16,043.90

Finding the Fourth Proportional to 27,980.06, 38,608.50 and 16,043.90

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Solution

The fourth proportional to 27,980.06, 38,608.50 and 16,043.90 is: 22,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,980.06 : 38,608.50 = 16,043.90 : x
  2. Step 2: Convert to fraction form
    27,980.06/38,608.50 = 16,043.90/x
  3. Step 3: Cross multiply
    27,980.06x = 38,608.50 × 16,043.90
  4. Step 4: Simplify right side
    27,980.06x = 619,430,913.15
  5. Step 5: Solve for x
    x = 619,430,913.15/27,980.06
  6. Step 6: Final answer
    x = 22,138.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.