Home / 28,622.92-42,917.64-13,032.04

Finding the Fourth Proportional to 28,622.92, 42,917.64 and 13,032.04

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Solution

The fourth proportional to 28,622.92, 42,917.64 and 13,032.04 is: 19,540.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,622.92 : 42,917.64 = 13,032.04 : x
  2. Step 2: Convert to fraction form
    28,622.92/42,917.64 = 13,032.04/x
  3. Step 3: Cross multiply
    28,622.92x = 42,917.64 × 13,032.04
  4. Step 4: Simplify right side
    28,622.92x = 559,304,401.19
  5. Step 5: Solve for x
    x = 559,304,401.19/28,622.92
  6. Step 6: Final answer
    x = 19,540.44

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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.