Home / 22,890.65-31,577.96-14,821.99

Finding the Fourth Proportional to 22,890.65, 31,577.96 and 14,821.99

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Solution

The fourth proportional to 22,890.65, 31,577.96 and 14,821.99 is: 20,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,890.65 : 31,577.96 = 14,821.99 : x
  2. Step 2: Convert to fraction form
    22,890.65/31,577.96 = 14,821.99/x
  3. Step 3: Cross multiply
    22,890.65x = 31,577.96 × 14,821.99
  4. Step 4: Simplify right side
    22,890.65x = 468,048,256.98
  5. Step 5: Solve for x
    x = 468,048,256.98/22,890.65
  6. Step 6: Final answer
    x = 20,447.13

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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.