Home / 27,953.57-38,576.62-15,207.47

Finding the Fourth Proportional to 27,953.57, 38,576.62 and 15,207.47

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Solution

The fourth proportional to 27,953.57, 38,576.62 and 15,207.47 is: 20,986.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,953.57 : 38,576.62 = 15,207.47 : x
  2. Step 2: Convert to fraction form
    27,953.57/38,576.62 = 15,207.47/x
  3. Step 3: Cross multiply
    27,953.57x = 38,576.62 × 15,207.47
  4. Step 4: Simplify right side
    27,953.57x = 586,652,598.47
  5. Step 5: Solve for x
    x = 586,652,598.47/27,953.57
  6. Step 6: Final answer
    x = 20,986.68

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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.