Home / 27,732.66-38,271.33-15,795.84

Finding the Fourth Proportional to 27,732.66, 38,271.33 and 15,795.84

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Solution

The fourth proportional to 27,732.66, 38,271.33 and 15,795.84 is: 21,798.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,732.66 : 38,271.33 = 15,795.84 : x
  2. Step 2: Convert to fraction form
    27,732.66/38,271.33 = 15,795.84/x
  3. Step 3: Cross multiply
    27,732.66x = 38,271.33 × 15,795.84
  4. Step 4: Simplify right side
    27,732.66x = 604,527,805.27
  5. Step 5: Solve for x
    x = 604,527,805.27/27,732.66
  6. Step 6: Final answer
    x = 21,798.41

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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.