Home / 28,305.92-42,461.44-11,662.08

Finding the Fourth Proportional to 28,305.92, 42,461.44 and 11,662.08

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Solution

The fourth proportional to 28,305.92, 42,461.44 and 11,662.08 is: 17,494.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,305.92 : 42,461.44 = 11,662.08 : x
  2. Step 2: Convert to fraction form
    28,305.92/42,461.44 = 11,662.08/x
  3. Step 3: Cross multiply
    28,305.92x = 42,461.44 × 11,662.08
  4. Step 4: Simplify right side
    28,305.92x = 495,188,710.20
  5. Step 5: Solve for x
    x = 495,188,710.20/28,305.92
  6. Step 6: Final answer
    x = 17,494.17

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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.