Home / 19,068.72-28,606.90-6,589.20

Finding the Fourth Proportional to 19,068.72, 28,606.90 and 6,589.20

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Solution

The fourth proportional to 19,068.72, 28,606.90 and 6,589.20 is: 9,885.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,068.72 : 28,606.90 = 6,589.20 : x
  2. Step 2: Convert to fraction form
    19,068.72/28,606.90 = 6,589.20/x
  3. Step 3: Cross multiply
    19,068.72x = 28,606.90 × 6,589.20
  4. Step 4: Simplify right side
    19,068.72x = 188,496,585.48
  5. Step 5: Solve for x
    x = 188,496,585.48/19,068.72
  6. Step 6: Final answer
    x = 9,885.12

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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.