Home / 27,347.22-37,738.89-15,414.39

Finding the Fourth Proportional to 27,347.22, 37,738.89 and 15,414.39

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Solution

The fourth proportional to 27,347.22, 37,738.89 and 15,414.39 is: 21,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,347.22 : 37,738.89 = 15,414.39 : x
  2. Step 2: Convert to fraction form
    27,347.22/37,738.89 = 15,414.39/x
  3. Step 3: Cross multiply
    27,347.22x = 37,738.89 × 15,414.39
  4. Step 4: Simplify right side
    27,347.22x = 581,721,968.63
  5. Step 5: Solve for x
    x = 581,721,968.63/27,347.22
  6. Step 6: Final answer
    x = 21,271.70

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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.