Home / 28,305.36-42,464.21-8,585.46

Finding the Fourth Proportional to 28,305.36, 42,464.21 and 8,585.46

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Solution

The fourth proportional to 28,305.36, 42,464.21 and 8,585.46 is: 12,880.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,305.36 : 42,464.21 = 8,585.46 : x
  2. Step 2: Convert to fraction form
    28,305.36/42,464.21 = 8,585.46/x
  3. Step 3: Cross multiply
    28,305.36x = 42,464.21 × 8,585.46
  4. Step 4: Simplify right side
    28,305.36x = 364,574,614.68
  5. Step 5: Solve for x
    x = 364,574,614.68/28,305.36
  6. Step 6: Final answer
    x = 12,880.06

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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.