Home / 21,400.30-32,096.66-5,814.28

Finding the Fourth Proportional to 21,400.30, 32,096.66 and 5,814.28

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Solution

The fourth proportional to 21,400.30, 32,096.66 and 5,814.28 is: 8,720.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,400.30 : 32,096.66 = 5,814.28 : x
  2. Step 2: Convert to fraction form
    21,400.30/32,096.66 = 5,814.28/x
  3. Step 3: Cross multiply
    21,400.30x = 32,096.66 × 5,814.28
  4. Step 4: Simplify right side
    21,400.30x = 186,618,979.35
  5. Step 5: Solve for x
    x = 186,618,979.35/21,400.30
  6. Step 6: Final answer
    x = 8,720.39

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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.