Home / 27,835.38-38,412.03-15,898.47

Finding the Fourth Proportional to 27,835.38, 38,412.03 and 15,898.47

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Solution

The fourth proportional to 27,835.38, 38,412.03 and 15,898.47 is: 21,939.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,835.38 : 38,412.03 = 15,898.47 : x
  2. Step 2: Convert to fraction form
    27,835.38/38,412.03 = 15,898.47/x
  3. Step 3: Cross multiply
    27,835.38x = 38,412.03 × 15,898.47
  4. Step 4: Simplify right side
    27,835.38x = 610,692,506.59
  5. Step 5: Solve for x
    x = 610,692,506.59/27,835.38
  6. Step 6: Final answer
    x = 21,939.43

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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.