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Finding the Fourth Proportional to 26, 38.70 and 24.98

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Solution

The fourth proportional to 26, 38.70 and 24.98 is: 37.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26 : 38.70 = 24.98 : x
  2. Step 2: Convert to fraction form
    26/38.70 = 24.98/x
  3. Step 3: Cross multiply
    26x = 38.70 × 24.98
  4. Step 4: Simplify right side
    26x = 966.73
  5. Step 5: Solve for x
    x = 966.73/26
  6. Step 6: Final answer
    x = 37.18

Related Problems

Find fourth proportional to 13, 19.35 and 12.49
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.