Home / 27,175.89-37,502.82-15,853.20

Finding the Fourth Proportional to 27,175.89, 37,502.82 and 15,853.20

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Solution

The fourth proportional to 27,175.89, 37,502.82 and 15,853.20 is: 21,877.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,175.89 : 37,502.82 = 15,853.20 : x
  2. Step 2: Convert to fraction form
    27,175.89/37,502.82 = 15,853.20/x
  3. Step 3: Cross multiply
    27,175.89x = 37,502.82 × 15,853.20
  4. Step 4: Simplify right side
    27,175.89x = 594,539,706.02
  5. Step 5: Solve for x
    x = 594,539,706.02/27,175.89
  6. Step 6: Final answer
    x = 21,877.47

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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.