Home / 27,716.04-38,247.12-15,140.52

Finding the Fourth Proportional to 27,716.04, 38,247.12 and 15,140.52

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Solution

The fourth proportional to 27,716.04, 38,247.12 and 15,140.52 is: 20,893.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,716.04 : 38,247.12 = 15,140.52 : x
  2. Step 2: Convert to fraction form
    27,716.04/38,247.12 = 15,140.52/x
  3. Step 3: Cross multiply
    27,716.04x = 38,247.12 × 15,140.52
  4. Step 4: Simplify right side
    27,716.04x = 579,081,285.30
  5. Step 5: Solve for x
    x = 579,081,285.30/27,716.04
  6. Step 6: Final answer
    x = 20,893.36

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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.