Home / 21,661.56-29,884.05-14,590.26

Finding the Fourth Proportional to 21,661.56, 29,884.05 and 14,590.26

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Solution

The fourth proportional to 21,661.56, 29,884.05 and 14,590.26 is: 20,128.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,661.56 : 29,884.05 = 14,590.26 : x
  2. Step 2: Convert to fraction form
    21,661.56/29,884.05 = 14,590.26/x
  3. Step 3: Cross multiply
    21,661.56x = 29,884.05 × 14,590.26
  4. Step 4: Simplify right side
    21,661.56x = 436,016,059.35
  5. Step 5: Solve for x
    x = 436,016,059.35/21,661.56
  6. Step 6: Final answer
    x = 20,128.56

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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.