Home / 27,907.11-38,512.50-15,160.29

Finding the Fourth Proportional to 27,907.11, 38,512.50 and 15,160.29

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Solution

The fourth proportional to 27,907.11, 38,512.50 and 15,160.29 is: 20,921.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,907.11 : 38,512.50 = 15,160.29 : x
  2. Step 2: Convert to fraction form
    27,907.11/38,512.50 = 15,160.29/x
  3. Step 3: Cross multiply
    27,907.11x = 38,512.50 × 15,160.29
  4. Step 4: Simplify right side
    27,907.11x = 583,860,668.63
  5. Step 5: Solve for x
    x = 583,860,668.63/27,907.11
  6. Step 6: Final answer
    x = 20,921.57

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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.