Home / 28,923.63-43,410.02-20,623.97

Finding the Fourth Proportional to 28,923.63, 43,410.02 and 20,623.97

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Solution

The fourth proportional to 28,923.63, 43,410.02 and 20,623.97 is: 30,953.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,923.63 : 43,410.02 = 20,623.97 : x
  2. Step 2: Convert to fraction form
    28,923.63/43,410.02 = 20,623.97/x
  3. Step 3: Cross multiply
    28,923.63x = 43,410.02 × 20,623.97
  4. Step 4: Simplify right side
    28,923.63x = 895,286,630.01
  5. Step 5: Solve for x
    x = 895,286,630.01/28,923.63
  6. Step 6: Final answer
    x = 30,953.47

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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.