Home / 23,287.63-32,169.60-20,768.93

Finding the Fourth Proportional to 23,287.63, 32,169.60 and 20,768.93

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Solution

The fourth proportional to 23,287.63, 32,169.60 and 20,768.93 is: 28,690.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,287.63 : 32,169.60 = 20,768.93 : x
  2. Step 2: Convert to fraction form
    23,287.63/32,169.60 = 20,768.93/x
  3. Step 3: Cross multiply
    23,287.63x = 32,169.60 × 20,768.93
  4. Step 4: Simplify right side
    23,287.63x = 668,128,170.53
  5. Step 5: Solve for x
    x = 668,128,170.53/23,287.63
  6. Step 6: Final answer
    x = 28,690.26

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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.