Home / 21,344.27-32,038.95-11,992.28

Finding the Fourth Proportional to 21,344.27, 32,038.95 and 11,992.28

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Solution

The fourth proportional to 21,344.27, 32,038.95 and 11,992.28 is: 18,001.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,344.27 : 32,038.95 = 11,992.28 : x
  2. Step 2: Convert to fraction form
    21,344.27/32,038.95 = 11,992.28/x
  3. Step 3: Cross multiply
    21,344.27x = 32,038.95 × 11,992.28
  4. Step 4: Simplify right side
    21,344.27x = 384,220,059.31
  5. Step 5: Solve for x
    x = 384,220,059.31/21,344.27
  6. Step 6: Final answer
    x = 18,001.09

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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.