Home / 27,090.82-37,392.85-15,762.51

Finding the Fourth Proportional to 27,090.82, 37,392.85 and 15,762.51

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Solution

The fourth proportional to 27,090.82, 37,392.85 and 15,762.51 is: 21,756.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,090.82 : 37,392.85 = 15,762.51 : x
  2. Step 2: Convert to fraction form
    27,090.82/37,392.85 = 15,762.51/x
  3. Step 3: Cross multiply
    27,090.82x = 37,392.85 × 15,762.51
  4. Step 4: Simplify right side
    27,090.82x = 589,404,906.28
  5. Step 5: Solve for x
    x = 589,404,906.28/27,090.82
  6. Step 6: Final answer
    x = 21,756.63

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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.