Home / 27,128.96-37,440.32-15,192.08

Finding the Fourth Proportional to 27,128.96, 37,440.32 and 15,192.08

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Solution

The fourth proportional to 27,128.96, 37,440.32 and 15,192.08 is: 20,966.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,128.96 : 37,440.32 = 15,192.08 : x
  2. Step 2: Convert to fraction form
    27,128.96/37,440.32 = 15,192.08/x
  3. Step 3: Cross multiply
    27,128.96x = 37,440.32 × 15,192.08
  4. Step 4: Simplify right side
    27,128.96x = 568,796,336.67
  5. Step 5: Solve for x
    x = 568,796,336.67/27,128.96
  6. Step 6: Final answer
    x = 20,966.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.