Home / 21,033.73-29,011.30-14,307.42

Finding the Fourth Proportional to 21,033.73, 29,011.30 and 14,307.42

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Solution

The fourth proportional to 21,033.73, 29,011.30 and 14,307.42 is: 19,733.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033.73 : 29,011.30 = 14,307.42 : x
  2. Step 2: Convert to fraction form
    21,033.73/29,011.30 = 14,307.42/x
  3. Step 3: Cross multiply
    21,033.73x = 29,011.30 × 14,307.42
  4. Step 4: Simplify right side
    21,033.73x = 415,076,853.85
  5. Step 5: Solve for x
    x = 415,076,853.85/21,033.73
  6. Step 6: Final answer
    x = 19,733.87

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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.