Home / 27,846.33-38,430.23-15,913.41

Finding the Fourth Proportional to 27,846.33, 38,430.23 and 15,913.41

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Solution

The fourth proportional to 27,846.33, 38,430.23 and 15,913.41 is: 21,961.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,846.33 : 38,430.23 = 15,913.41 : x
  2. Step 2: Convert to fraction form
    27,846.33/38,430.23 = 15,913.41/x
  3. Step 3: Cross multiply
    27,846.33x = 38,430.23 × 15,913.41
  4. Step 4: Simplify right side
    27,846.33x = 611,555,926.82
  5. Step 5: Solve for x
    x = 611,555,926.82/27,846.33
  6. Step 6: Final answer
    x = 21,961.81

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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.