Home / 21,033.28-29,024.88-11,601.60

Finding the Fourth Proportional to 21,033.28, 29,024.88 and 11,601.60

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Solution

The fourth proportional to 21,033.28, 29,024.88 and 11,601.60 is: 16,009.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033.28 : 29,024.88 = 11,601.60 : x
  2. Step 2: Convert to fraction form
    21,033.28/29,024.88 = 11,601.60/x
  3. Step 3: Cross multiply
    21,033.28x = 29,024.88 × 11,601.60
  4. Step 4: Simplify right side
    21,033.28x = 336,735,047.81
  5. Step 5: Solve for x
    x = 336,735,047.81/21,033.28
  6. Step 6: Final answer
    x = 16,009.63

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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.