Home / 23,073.78-34,638.09-19,421.46

Finding the Fourth Proportional to 23,073.78, 34,638.09 and 19,421.46

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Solution

The fourth proportional to 23,073.78, 34,638.09 and 19,421.46 is: 29,155.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,073.78 : 34,638.09 = 19,421.46 : x
  2. Step 2: Convert to fraction form
    23,073.78/34,638.09 = 19,421.46/x
  3. Step 3: Cross multiply
    23,073.78x = 34,638.09 × 19,421.46
  4. Step 4: Simplify right side
    23,073.78x = 672,722,279.41
  5. Step 5: Solve for x
    x = 672,722,279.41/23,073.78
  6. Step 6: Final answer
    x = 29,155.27

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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.