Home / 19,625.40-29,438.10-14,635.80

Finding the Fourth Proportional to 19,625.40, 29,438.10 and 14,635.80

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Solution

The fourth proportional to 19,625.40, 29,438.10 and 14,635.80 is: 21,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,625.40 : 29,438.10 = 14,635.80 : x
  2. Step 2: Convert to fraction form
    19,625.40/29,438.10 = 14,635.80/x
  3. Step 3: Cross multiply
    19,625.40x = 29,438.10 × 14,635.80
  4. Step 4: Simplify right side
    19,625.40x = 430,850,143.98
  5. Step 5: Solve for x
    x = 430,850,143.98/19,625.40
  6. Step 6: Final answer
    x = 21,953.70

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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.