Home / 23,021.96-34,364.86-19,756.04

Finding the Fourth Proportional to 23,021.96, 34,364.86 and 19,756.04

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Solution

The fourth proportional to 23,021.96, 34,364.86 and 19,756.04 is: 29,489.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,021.96 : 34,364.86 = 19,756.04 : x
  2. Step 2: Convert to fraction form
    23,021.96/34,364.86 = 19,756.04/x
  3. Step 3: Cross multiply
    23,021.96x = 34,364.86 × 19,756.04
  4. Step 4: Simplify right side
    23,021.96x = 678,913,327.54
  5. Step 5: Solve for x
    x = 678,913,327.54/23,021.96
  6. Step 6: Final answer
    x = 29,489.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.