Home / 27,953.28-38,576.25-15,207.26

Finding the Fourth Proportional to 27,953.28, 38,576.25 and 15,207.26

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Solution

The fourth proportional to 27,953.28, 38,576.25 and 15,207.26 is: 20,986.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,953.28 : 38,576.25 = 15,207.26 : x
  2. Step 2: Convert to fraction form
    27,953.28/38,576.25 = 15,207.26/x
  3. Step 3: Cross multiply
    27,953.28x = 38,576.25 × 15,207.26
  4. Step 4: Simplify right side
    27,953.28x = 586,638,870.69
  5. Step 5: Solve for x
    x = 586,638,870.69/27,953.28
  6. Step 6: Final answer
    x = 20,986.41

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Double scale
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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.