Home / 21,768.48-32,640.57-10,651.23

Finding the Fourth Proportional to 21,768.48, 32,640.57 and 10,651.23

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Solution

The fourth proportional to 21,768.48, 32,640.57 and 10,651.23 is: 15,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,768.48 : 32,640.57 = 10,651.23 : x
  2. Step 2: Convert to fraction form
    21,768.48/32,640.57 = 10,651.23/x
  3. Step 3: Cross multiply
    21,768.48x = 32,640.57 × 10,651.23
  4. Step 4: Simplify right side
    21,768.48x = 347,662,218.40
  5. Step 5: Solve for x
    x = 347,662,218.40/21,768.48
  6. Step 6: Final answer
    x = 15,970.90

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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.