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Finding the Fourth Proportional to 16,852.70, 25,279.05 and 16,204.70

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Solution

The fourth proportional to 16,852.70, 25,279.05 and 16,204.70 is: 24,307.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,852.70 : 25,279.05 = 16,204.70 : x
  2. Step 2: Convert to fraction form
    16,852.70/25,279.05 = 16,204.70/x
  3. Step 3: Cross multiply
    16,852.70x = 25,279.05 × 16,204.70
  4. Step 4: Simplify right side
    16,852.70x = 409,639,421.54
  5. Step 5: Solve for x
    x = 409,639,421.54/16,852.70
  6. Step 6: Final answer
    x = 24,307.05

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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.