Home / 27,307.23-37,683.89-15,370.56

Finding the Fourth Proportional to 27,307.23, 37,683.89 and 15,370.56

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Solution

The fourth proportional to 27,307.23, 37,683.89 and 15,370.56 is: 21,211.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,307.23 : 37,683.89 = 15,370.56 : x
  2. Step 2: Convert to fraction form
    27,307.23/37,683.89 = 15,370.56/x
  3. Step 3: Cross multiply
    27,307.23x = 37,683.89 × 15,370.56
  4. Step 4: Simplify right side
    27,307.23x = 579,222,415.43
  5. Step 5: Solve for x
    x = 579,222,415.43/27,307.23
  6. Step 6: Final answer
    x = 21,211.32

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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.