Home / 27,905.03-38,508.30-15,157.93

Finding the Fourth Proportional to 27,905.03, 38,508.30 and 15,157.93

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Solution

The fourth proportional to 27,905.03, 38,508.30 and 15,157.93 is: 20,917.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,905.03 : 38,508.30 = 15,157.93 : x
  2. Step 2: Convert to fraction form
    27,905.03/38,508.30 = 15,157.93/x
  3. Step 3: Cross multiply
    27,905.03x = 38,508.30 × 15,157.93
  4. Step 4: Simplify right side
    27,905.03x = 583,705,998.15
  5. Step 5: Solve for x
    x = 583,705,998.15/27,905.03
  6. Step 6: Final answer
    x = 20,917.59

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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.