Home / 19,883.40-27,470.52-18,308.76

Finding the Fourth Proportional to 19,883.40, 27,470.52 and 18,308.76

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Solution

The fourth proportional to 19,883.40, 27,470.52 and 18,308.76 is: 25,295.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,883.40 : 27,470.52 = 18,308.76 : x
  2. Step 2: Convert to fraction form
    19,883.40/27,470.52 = 18,308.76/x
  3. Step 3: Cross multiply
    19,883.40x = 27,470.52 × 18,308.76
  4. Step 4: Simplify right side
    19,883.40x = 502,951,157.76
  5. Step 5: Solve for x
    x = 502,951,157.76/19,883.40
  6. Step 6: Final answer
    x = 25,295.03

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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.