Home / 23,288.63-32,170.98-20,769.93

Finding the Fourth Proportional to 23,288.63, 32,170.98 and 20,769.93

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Solution

The fourth proportional to 23,288.63, 32,170.98 and 20,769.93 is: 28,691.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,288.63 : 32,170.98 = 20,769.93 : x
  2. Step 2: Convert to fraction form
    23,288.63/32,170.98 = 20,769.93/x
  3. Step 3: Cross multiply
    23,288.63x = 32,170.98 × 20,769.93
  4. Step 4: Simplify right side
    23,288.63x = 668,189,002.63
  5. Step 5: Solve for x
    x = 668,189,002.63/23,288.63
  6. Step 6: Final answer
    x = 28,691.64

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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.