Home / 21,349.08-32,007.15-8,021.79

Finding the Fourth Proportional to 21,349.08, 32,007.15 and 8,021.79

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Solution

The fourth proportional to 21,349.08, 32,007.15 and 8,021.79 is: 12,026.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,349.08 : 32,007.15 = 8,021.79 : x
  2. Step 2: Convert to fraction form
    21,349.08/32,007.15 = 8,021.79/x
  3. Step 3: Cross multiply
    21,349.08x = 32,007.15 × 8,021.79
  4. Step 4: Simplify right side
    21,349.08x = 256,754,635.80
  5. Step 5: Solve for x
    x = 256,754,635.80/21,349.08
  6. Step 6: Final answer
    x = 12,026.50

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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.