Home / 26,908.72-37,139.44-15,576.64

Finding the Fourth Proportional to 26,908.72, 37,139.44 and 15,576.64

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Solution

The fourth proportional to 26,908.72, 37,139.44 and 15,576.64 is: 21,498.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,908.72 : 37,139.44 = 15,576.64 : x
  2. Step 2: Convert to fraction form
    26,908.72/37,139.44 = 15,576.64/x
  3. Step 3: Cross multiply
    26,908.72x = 37,139.44 × 15,576.64
  4. Step 4: Simplify right side
    26,908.72x = 578,507,686.68
  5. Step 5: Solve for x
    x = 578,507,686.68/26,908.72
  6. Step 6: Final answer
    x = 21,498.89

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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.