Home / 27,144.02-37,460.28-15,211.20

Finding the Fourth Proportional to 27,144.02, 37,460.28 and 15,211.20

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Solution

The fourth proportional to 27,144.02, 37,460.28 and 15,211.20 is: 20,992.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,144.02 : 37,460.28 = 15,211.20 : x
  2. Step 2: Convert to fraction form
    27,144.02/37,460.28 = 15,211.20/x
  3. Step 3: Cross multiply
    27,144.02x = 37,460.28 × 15,211.20
  4. Step 4: Simplify right side
    27,144.02x = 569,815,811.14
  5. Step 5: Solve for x
    x = 569,815,811.14/27,144.02
  6. Step 6: Final answer
    x = 20,992.31

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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.