Home / 27,740.15-38,288.52-17,123.68

Finding the Fourth Proportional to 27,740.15, 38,288.52 and 17,123.68

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Solution

The fourth proportional to 27,740.15, 38,288.52 and 17,123.68 is: 23,635.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,740.15 : 38,288.52 = 17,123.68 : x
  2. Step 2: Convert to fraction form
    27,740.15/38,288.52 = 17,123.68/x
  3. Step 3: Cross multiply
    27,740.15x = 38,288.52 × 17,123.68
  4. Step 4: Simplify right side
    27,740.15x = 655,640,268.43
  5. Step 5: Solve for x
    x = 655,640,268.43/27,740.15
  6. Step 6: Final answer
    x = 23,635.07

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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.