Home / 28,402.58-42,603.50-9,677.54

Finding the Fourth Proportional to 28,402.58, 42,603.50 and 9,677.54

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Solution

The fourth proportional to 28,402.58, 42,603.50 and 9,677.54 is: 14,516.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,402.58 : 42,603.50 = 9,677.54 : x
  2. Step 2: Convert to fraction form
    28,402.58/42,603.50 = 9,677.54/x
  3. Step 3: Cross multiply
    28,402.58x = 42,603.50 × 9,677.54
  4. Step 4: Simplify right side
    28,402.58x = 412,297,075.39
  5. Step 5: Solve for x
    x = 412,297,075.39/28,402.58
  6. Step 6: Final answer
    x = 14,516.18

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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.