Home / 21,423.26-29,558.29-13,033.82

Finding the Fourth Proportional to 21,423.26, 29,558.29 and 13,033.82

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Solution

The fourth proportional to 21,423.26, 29,558.29 and 13,033.82 is: 17,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,423.26 : 29,558.29 = 13,033.82 : x
  2. Step 2: Convert to fraction form
    21,423.26/29,558.29 = 13,033.82/x
  3. Step 3: Cross multiply
    21,423.26x = 29,558.29 × 13,033.82
  4. Step 4: Simplify right side
    21,423.26x = 385,257,431.37
  5. Step 5: Solve for x
    x = 385,257,431.37/21,423.26
  6. Step 6: Final answer
    x = 17,983.14

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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.