Home / 21,478.64-32,214.24-5,683.77

Finding the Fourth Proportional to 21,478.64, 32,214.24 and 5,683.77

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Solution

The fourth proportional to 21,478.64, 32,214.24 and 5,683.77 is: 8,524.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,478.64 : 32,214.24 = 5,683.77 : x
  2. Step 2: Convert to fraction form
    21,478.64/32,214.24 = 5,683.77/x
  3. Step 3: Cross multiply
    21,478.64x = 32,214.24 × 5,683.77
  4. Step 4: Simplify right side
    21,478.64x = 183,098,330.88
  5. Step 5: Solve for x
    x = 183,098,330.88/21,478.64
  6. Step 6: Final answer
    x = 8,524.67

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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.