Home / 19,016.76-28,525.20-5,165.76

Finding the Fourth Proportional to 19,016.76, 28,525.20 and 5,165.76

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Solution

The fourth proportional to 19,016.76, 28,525.20 and 5,165.76 is: 7,748.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,016.76 : 28,525.20 = 5,165.76 : x
  2. Step 2: Convert to fraction form
    19,016.76/28,525.20 = 5,165.76/x
  3. Step 3: Cross multiply
    19,016.76x = 28,525.20 × 5,165.76
  4. Step 4: Simplify right side
    19,016.76x = 147,354,337.15
  5. Step 5: Solve for x
    x = 147,354,337.15/19,016.76
  6. Step 6: Final answer
    x = 7,748.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.