Home / 21,777.44-32,680.76-9,300.38

Finding the Fourth Proportional to 21,777.44, 32,680.76 and 9,300.38

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Solution

The fourth proportional to 21,777.44, 32,680.76 and 9,300.38 is: 13,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,777.44 : 32,680.76 = 9,300.38 : x
  2. Step 2: Convert to fraction form
    21,777.44/32,680.76 = 9,300.38/x
  3. Step 3: Cross multiply
    21,777.44x = 32,680.76 × 9,300.38
  4. Step 4: Simplify right side
    21,777.44x = 303,943,276.78
  5. Step 5: Solve for x
    x = 303,943,276.78/21,777.44
  6. Step 6: Final answer
    x = 13,956.80

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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.