Home / 28,603.62-42,903.36-9,628.38

Finding the Fourth Proportional to 28,603.62, 42,903.36 and 9,628.38

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Solution

The fourth proportional to 28,603.62, 42,903.36 and 9,628.38 is: 14,441.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,603.62 : 42,903.36 = 9,628.38 : x
  2. Step 2: Convert to fraction form
    28,603.62/42,903.36 = 9,628.38/x
  3. Step 3: Cross multiply
    28,603.62x = 42,903.36 × 9,628.38
  4. Step 4: Simplify right side
    28,603.62x = 413,089,853.36
  5. Step 5: Solve for x
    x = 413,089,853.36/28,603.62
  6. Step 6: Final answer
    x = 14,441.87

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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.