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Finding the Fourth Proportional to 35, 52.52 and 17.89

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Solution

The fourth proportional to 35, 52.52 and 17.89 is: 26.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35 : 52.52 = 17.89 : x
  2. Step 2: Convert to fraction form
    35/52.52 = 17.89/x
  3. Step 3: Cross multiply
    35x = 52.52 × 17.89
  4. Step 4: Simplify right side
    35x = 939.58
  5. Step 5: Solve for x
    x = 939.58/35
  6. Step 6: Final answer
    x = 26.85

Related Problems

Find fourth proportional to 17.50, 26.26 and 8.95
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Double scale
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Similar ratio
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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.