Home / 25,229.48-34,817.40-14,622.80

Finding the Fourth Proportional to 25,229.48, 34,817.40 and 14,622.80

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Solution

The fourth proportional to 25,229.48, 34,817.40 and 14,622.80 is: 20,179.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,229.48 : 34,817.40 = 14,622.80 : x
  2. Step 2: Convert to fraction form
    25,229.48/34,817.40 = 14,622.80/x
  3. Step 3: Cross multiply
    25,229.48x = 34,817.40 × 14,622.80
  4. Step 4: Simplify right side
    25,229.48x = 509,127,876.72
  5. Step 5: Solve for x
    x = 509,127,876.72/25,229.48
  6. Step 6: Final answer
    x = 20,179.88

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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.