Home / 19,031.72-28,550.30-5,885.11

Finding the Fourth Proportional to 19,031.72, 28,550.30 and 5,885.11

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Solution

The fourth proportional to 19,031.72, 28,550.30 and 5,885.11 is: 8,828.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031.72 : 28,550.30 = 5,885.11 : x
  2. Step 2: Convert to fraction form
    19,031.72/28,550.30 = 5,885.11/x
  3. Step 3: Cross multiply
    19,031.72x = 28,550.30 × 5,885.11
  4. Step 4: Simplify right side
    19,031.72x = 168,021,656.03
  5. Step 5: Solve for x
    x = 168,021,656.03/19,031.72
  6. Step 6: Final answer
    x = 8,828.51

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