Home / 27,308.42-37,685.40-15,372.26

Finding the Fourth Proportional to 27,308.42, 37,685.40 and 15,372.26

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Solution

The fourth proportional to 27,308.42, 37,685.40 and 15,372.26 is: 21,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,308.42 : 37,685.40 = 15,372.26 : x
  2. Step 2: Convert to fraction form
    27,308.42/37,685.40 = 15,372.26/x
  3. Step 3: Cross multiply
    27,308.42x = 37,685.40 × 15,372.26
  4. Step 4: Simplify right side
    27,308.42x = 579,309,767.00
  5. Step 5: Solve for x
    x = 579,309,767.00/27,308.42
  6. Step 6: Final answer
    x = 21,213.60

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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.