Home / 27,513.34-37,968.30-15,577.79

Finding the Fourth Proportional to 27,513.34, 37,968.30 and 15,577.79

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Solution

The fourth proportional to 27,513.34, 37,968.30 and 15,577.79 is: 21,497.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,513.34 : 37,968.30 = 15,577.79 : x
  2. Step 2: Convert to fraction form
    27,513.34/37,968.30 = 15,577.79/x
  3. Step 3: Cross multiply
    27,513.34x = 37,968.30 × 15,577.79
  4. Step 4: Simplify right side
    27,513.34x = 591,462,014.22
  5. Step 5: Solve for x
    x = 591,462,014.22/27,513.34
  6. Step 6: Final answer
    x = 21,497.28

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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.