Home / 19,928.60-27,502.04-11,431.52

Finding the Fourth Proportional to 19,928.60, 27,502.04 and 11,431.52

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Solution

The fourth proportional to 19,928.60, 27,502.04 and 11,431.52 is: 15,775.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.60 : 27,502.04 = 11,431.52 : x
  2. Step 2: Convert to fraction form
    19,928.60/27,502.04 = 11,431.52/x
  3. Step 3: Cross multiply
    19,928.60x = 27,502.04 × 11,431.52
  4. Step 4: Simplify right side
    19,928.60x = 314,390,120.30
  5. Step 5: Solve for x
    x = 314,390,120.30/19,928.60
  6. Step 6: Final answer
    x = 15,775.83

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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.