Home / 23,128.81-34,692.50-6,488.51

Finding the Fourth Proportional to 23,128.81, 34,692.50 and 6,488.51

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Solution

The fourth proportional to 23,128.81, 34,692.50 and 6,488.51 is: 9,732.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,128.81 : 34,692.50 = 6,488.51 : x
  2. Step 2: Convert to fraction form
    23,128.81/34,692.50 = 6,488.51/x
  3. Step 3: Cross multiply
    23,128.81x = 34,692.50 × 6,488.51
  4. Step 4: Simplify right side
    23,128.81x = 225,102,475.93
  5. Step 5: Solve for x
    x = 225,102,475.93/23,128.81
  6. Step 6: Final answer
    x = 9,732.56

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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.