Home / 21,255.89-29,302.41-14,073.77

Finding the Fourth Proportional to 21,255.89, 29,302.41 and 14,073.77

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Solution

The fourth proportional to 21,255.89, 29,302.41 and 14,073.77 is: 19,401.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,255.89 : 29,302.41 = 14,073.77 : x
  2. Step 2: Convert to fraction form
    21,255.89/29,302.41 = 14,073.77/x
  3. Step 3: Cross multiply
    21,255.89x = 29,302.41 × 14,073.77
  4. Step 4: Simplify right side
    21,255.89x = 412,395,260.83
  5. Step 5: Solve for x
    x = 412,395,260.83/21,255.89
  6. Step 6: Final answer
    x = 19,401.46

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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.