Home / 27,681.21-38,206.35-17,601.84

Finding the Fourth Proportional to 27,681.21, 38,206.35 and 17,601.84

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Solution

The fourth proportional to 27,681.21, 38,206.35 and 17,601.84 is: 24,294.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,681.21 : 38,206.35 = 17,601.84 : x
  2. Step 2: Convert to fraction form
    27,681.21/38,206.35 = 17,601.84/x
  3. Step 3: Cross multiply
    27,681.21x = 38,206.35 × 17,601.84
  4. Step 4: Simplify right side
    27,681.21x = 672,502,059.68
  5. Step 5: Solve for x
    x = 672,502,059.68/27,681.21
  6. Step 6: Final answer
    x = 24,294.53

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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.