Home / 34,928.80-52,394.10-12,758.70

Finding the Fourth Proportional to 34,928.80, 52,394.10 and 12,758.70

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Solution

The fourth proportional to 34,928.80, 52,394.10 and 12,758.70 is: 19,138.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,928.80 : 52,394.10 = 12,758.70 : x
  2. Step 2: Convert to fraction form
    34,928.80/52,394.10 = 12,758.70/x
  3. Step 3: Cross multiply
    34,928.80x = 52,394.10 × 12,758.70
  4. Step 4: Simplify right side
    34,928.80x = 668,480,603.67
  5. Step 5: Solve for x
    x = 668,480,603.67/34,928.80
  6. Step 6: Final answer
    x = 19,138.38

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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.