Home / 14,389.65-21,578.58-5,027.67

Finding the Fourth Proportional to 14,389.65, 21,578.58 and 5,027.67

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Solution

The fourth proportional to 14,389.65, 21,578.58 and 5,027.67 is: 7,539.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.65 : 21,578.58 = 5,027.67 : x
  2. Step 2: Convert to fraction form
    14,389.65/21,578.58 = 5,027.67/x
  3. Step 3: Cross multiply
    14,389.65x = 21,578.58 × 5,027.67
  4. Step 4: Simplify right side
    14,389.65x = 108,489,979.31
  5. Step 5: Solve for x
    x = 108,489,979.31/14,389.65
  6. Step 6: Final answer
    x = 7,539.45

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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.