Home / 21,977.05-32,964.52-7,184.01

Finding the Fourth Proportional to 21,977.05, 32,964.52 and 7,184.01

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Solution

The fourth proportional to 21,977.05, 32,964.52 and 7,184.01 is: 10,775.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,977.05 : 32,964.52 = 7,184.01 : x
  2. Step 2: Convert to fraction form
    21,977.05/32,964.52 = 7,184.01/x
  3. Step 3: Cross multiply
    21,977.05x = 32,964.52 × 7,184.01
  4. Step 4: Simplify right side
    21,977.05x = 236,817,405.41
  5. Step 5: Solve for x
    x = 236,817,405.41/21,977.05
  6. Step 6: Final answer
    x = 10,775.67

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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.