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Finding the Fourth Proportional to 25,855.34, 35,680.34 and 14,677.34

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Solution

The fourth proportional to 25,855.34, 35,680.34 and 14,677.34 is: 20,254.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,855.34 : 35,680.34 = 14,677.34 : x
  2. Step 2: Convert to fraction form
    25,855.34/35,680.34 = 14,677.34/x
  3. Step 3: Cross multiply
    25,855.34x = 35,680.34 × 14,677.34
  4. Step 4: Simplify right side
    25,855.34x = 523,692,339.79
  5. Step 5: Solve for x
    x = 523,692,339.79/25,855.34
  6. Step 6: Final answer
    x = 20,254.71

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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.