Home / 28,463.92-42,708.20-11,827.60

Finding the Fourth Proportional to 28,463.92, 42,708.20 and 11,827.60

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Solution

The fourth proportional to 28,463.92, 42,708.20 and 11,827.60 is: 17,746.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,463.92 : 42,708.20 = 11,827.60 : x
  2. Step 2: Convert to fraction form
    28,463.92/42,708.20 = 11,827.60/x
  3. Step 3: Cross multiply
    28,463.92x = 42,708.20 × 11,827.60
  4. Step 4: Simplify right side
    28,463.92x = 505,135,506.32
  5. Step 5: Solve for x
    x = 505,135,506.32/28,463.92
  6. Step 6: Final answer
    x = 17,746.52

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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.