Home / 21,347.72-32,021.58-7,493.48

Finding the Fourth Proportional to 21,347.72, 32,021.58 and 7,493.48

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Solution

The fourth proportional to 21,347.72, 32,021.58 and 7,493.48 is: 11,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,347.72 : 32,021.58 = 7,493.48 : x
  2. Step 2: Convert to fraction form
    21,347.72/32,021.58 = 7,493.48/x
  3. Step 3: Cross multiply
    21,347.72x = 32,021.58 × 7,493.48
  4. Step 4: Simplify right side
    21,347.72x = 239,953,069.30
  5. Step 5: Solve for x
    x = 239,953,069.30/21,347.72
  6. Step 6: Final answer
    x = 11,240.22

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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.