Home / 23,721.99-32,661.41-20,887.40

Finding the Fourth Proportional to 23,721.99, 32,661.41 and 20,887.40

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Solution

The fourth proportional to 23,721.99, 32,661.41 and 20,887.40 is: 28,758.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,721.99 : 32,661.41 = 20,887.40 : x
  2. Step 2: Convert to fraction form
    23,721.99/32,661.41 = 20,887.40/x
  3. Step 3: Cross multiply
    23,721.99x = 32,661.41 × 20,887.40
  4. Step 4: Simplify right side
    23,721.99x = 682,211,667.49
  5. Step 5: Solve for x
    x = 682,211,667.49/23,721.99
  6. Step 6: Final answer
    x = 28,758.62

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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.