Home / 21,584.37-29,784.29-15,922.19

Finding the Fourth Proportional to 21,584.37, 29,784.29 and 15,922.19

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Solution

The fourth proportional to 21,584.37, 29,784.29 and 15,922.19 is: 21,971.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584.37 : 29,784.29 = 15,922.19 : x
  2. Step 2: Convert to fraction form
    21,584.37/29,784.29 = 15,922.19/x
  3. Step 3: Cross multiply
    21,584.37x = 29,784.29 × 15,922.19
  4. Step 4: Simplify right side
    21,584.37x = 474,230,895.86
  5. Step 5: Solve for x
    x = 474,230,895.86/21,584.37
  6. Step 6: Final answer
    x = 21,971.03

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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.