Home / 27,538.08-38,008.47-16,786.46

Finding the Fourth Proportional to 27,538.08, 38,008.47 and 16,786.46

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Solution

The fourth proportional to 27,538.08, 38,008.47 and 16,786.46 is: 23,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,538.08 : 38,008.47 = 16,786.46 : x
  2. Step 2: Convert to fraction form
    27,538.08/38,008.47 = 16,786.46/x
  3. Step 3: Cross multiply
    27,538.08x = 38,008.47 × 16,786.46
  4. Step 4: Simplify right side
    27,538.08x = 638,027,471.27
  5. Step 5: Solve for x
    x = 638,027,471.27/27,538.08
  6. Step 6: Final answer
    x = 23,168.92

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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.