Home / 27,007.80-40,548.15-21,467.40

Finding the Fourth Proportional to 27,007.80, 40,548.15 and 21,467.40

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Solution

The fourth proportional to 27,007.80, 40,548.15 and 21,467.40 is: 32,230.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,007.80 : 40,548.15 = 21,467.40 : x
  2. Step 2: Convert to fraction form
    27,007.80/40,548.15 = 21,467.40/x
  3. Step 3: Cross multiply
    27,007.80x = 40,548.15 × 21,467.40
  4. Step 4: Simplify right side
    27,007.80x = 870,463,355.31
  5. Step 5: Solve for x
    x = 870,463,355.31/27,007.80
  6. Step 6: Final answer
    x = 32,230.07

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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.