Home / 27,128.52-37,435.32-15,798.09

Finding the Fourth Proportional to 27,128.52, 37,435.32 and 15,798.09

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Solution

The fourth proportional to 27,128.52, 37,435.32 and 15,798.09 is: 21,800.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,128.52 : 37,435.32 = 15,798.09 : x
  2. Step 2: Convert to fraction form
    27,128.52/37,435.32 = 15,798.09/x
  3. Step 3: Cross multiply
    27,128.52x = 37,435.32 × 15,798.09
  4. Step 4: Simplify right side
    27,128.52x = 591,406,554.54
  5. Step 5: Solve for x
    x = 591,406,554.54/27,128.52
  6. Step 6: Final answer
    x = 21,800.18

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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.