Home / 21,048.39-29,082.38-16,287.75

Finding the Fourth Proportional to 21,048.39, 29,082.38 and 16,287.75

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Solution

The fourth proportional to 21,048.39, 29,082.38 and 16,287.75 is: 22,504.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048.39 : 29,082.38 = 16,287.75 : x
  2. Step 2: Convert to fraction form
    21,048.39/29,082.38 = 16,287.75/x
  3. Step 3: Cross multiply
    21,048.39x = 29,082.38 × 16,287.75
  4. Step 4: Simplify right side
    21,048.39x = 473,686,453.41
  5. Step 5: Solve for x
    x = 473,686,453.41/21,048.39
  6. Step 6: Final answer
    x = 22,504.64

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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.