Home / 21,738.23-32,603.49-9,889.25

Finding the Fourth Proportional to 21,738.23, 32,603.49 and 9,889.25

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Solution

The fourth proportional to 21,738.23, 32,603.49 and 9,889.25 is: 14,832.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,738.23 : 32,603.49 = 9,889.25 : x
  2. Step 2: Convert to fraction form
    21,738.23/32,603.49 = 9,889.25/x
  3. Step 3: Cross multiply
    21,738.23x = 32,603.49 × 9,889.25
  4. Step 4: Simplify right side
    21,738.23x = 322,424,063.48
  5. Step 5: Solve for x
    x = 322,424,063.48/21,738.23
  6. Step 6: Final answer
    x = 14,832.12

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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.