Home / 21,623.06-29,825.60-14,908.98

Finding the Fourth Proportional to 21,623.06, 29,825.60 and 14,908.98

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Solution

The fourth proportional to 21,623.06, 29,825.60 and 14,908.98 is: 20,564.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,623.06 : 29,825.60 = 14,908.98 : x
  2. Step 2: Convert to fraction form
    21,623.06/29,825.60 = 14,908.98/x
  3. Step 3: Cross multiply
    21,623.06x = 29,825.60 × 14,908.98
  4. Step 4: Simplify right side
    21,623.06x = 444,669,273.89
  5. Step 5: Solve for x
    x = 444,669,273.89/21,623.06
  6. Step 6: Final answer
    x = 20,564.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.