Home / 28,325.07-42,496.86-8,603.64

Finding the Fourth Proportional to 28,325.07, 42,496.86 and 8,603.64

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Solution

The fourth proportional to 28,325.07, 42,496.86 and 8,603.64 is: 12,908.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,325.07 : 42,496.86 = 8,603.64 : x
  2. Step 2: Convert to fraction form
    28,325.07/42,496.86 = 8,603.64/x
  3. Step 3: Cross multiply
    28,325.07x = 42,496.86 × 8,603.64
  4. Step 4: Simplify right side
    28,325.07x = 365,627,684.57
  5. Step 5: Solve for x
    x = 365,627,684.57/28,325.07
  6. Step 6: Final answer
    x = 12,908.27

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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.