Home / 28,325.32-42,485.22-8,604.04

Finding the Fourth Proportional to 28,325.32, 42,485.22 and 8,604.04

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Solution

The fourth proportional to 28,325.32, 42,485.22 and 8,604.04 is: 12,905.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,325.32 : 42,485.22 = 8,604.04 : x
  2. Step 2: Convert to fraction form
    28,325.32/42,485.22 = 8,604.04/x
  3. Step 3: Cross multiply
    28,325.32x = 42,485.22 × 8,604.04
  4. Step 4: Simplify right side
    28,325.32x = 365,544,532.29
  5. Step 5: Solve for x
    x = 365,544,532.29/28,325.32
  6. Step 6: Final answer
    x = 12,905.22

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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.