Home / 27,887.05-38,484.41-15,140.35

Finding the Fourth Proportional to 27,887.05, 38,484.41 and 15,140.35

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Solution

The fourth proportional to 27,887.05, 38,484.41 and 15,140.35 is: 20,893.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887.05 : 38,484.41 = 15,140.35 : x
  2. Step 2: Convert to fraction form
    27,887.05/38,484.41 = 15,140.35/x
  3. Step 3: Cross multiply
    27,887.05x = 38,484.41 × 15,140.35
  4. Step 4: Simplify right side
    27,887.05x = 582,667,378.58
  5. Step 5: Solve for x
    x = 582,667,378.58/27,887.05
  6. Step 6: Final answer
    x = 20,893.84

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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.