Home / 27,312.96-37,683.72-15,979.44

Finding the Fourth Proportional to 27,312.96, 37,683.72 and 15,979.44

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Solution

The fourth proportional to 27,312.96, 37,683.72 and 15,979.44 is: 22,046.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,312.96 : 37,683.72 = 15,979.44 : x
  2. Step 2: Convert to fraction form
    27,312.96/37,683.72 = 15,979.44/x
  3. Step 3: Cross multiply
    27,312.96x = 37,683.72 × 15,979.44
  4. Step 4: Simplify right side
    27,312.96x = 602,164,742.72
  5. Step 5: Solve for x
    x = 602,164,742.72/27,312.96
  6. Step 6: Final answer
    x = 22,046.85

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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.