Home / 27,907.94-38,513.07-15,971.48

Finding the Fourth Proportional to 27,907.94, 38,513.07 and 15,971.48

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Solution

The fourth proportional to 27,907.94, 38,513.07 and 15,971.48 is: 22,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,907.94 : 38,513.07 = 15,971.48 : x
  2. Step 2: Convert to fraction form
    27,907.94/38,513.07 = 15,971.48/x
  3. Step 3: Cross multiply
    27,907.94x = 38,513.07 × 15,971.48
  4. Step 4: Simplify right side
    27,907.94x = 615,110,679.10
  5. Step 5: Solve for x
    x = 615,110,679.10/27,907.94
  6. Step 6: Final answer
    x = 22,040.70

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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.