Home / 27,208.48-40,816.62-8,490.19

Finding the Fourth Proportional to 27,208.48, 40,816.62 and 8,490.19

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Solution

The fourth proportional to 27,208.48, 40,816.62 and 8,490.19 is: 12,736.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,208.48 : 40,816.62 = 8,490.19 : x
  2. Step 2: Convert to fraction form
    27,208.48/40,816.62 = 8,490.19/x
  3. Step 3: Cross multiply
    27,208.48x = 40,816.62 × 8,490.19
  4. Step 4: Simplify right side
    27,208.48x = 346,540,816.51
  5. Step 5: Solve for x
    x = 346,540,816.51/27,208.48
  6. Step 6: Final answer
    x = 12,736.50

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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.