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Finding the Fourth Proportional to 22,590.26, 31,174.63 and 12,518.87

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Solution

The fourth proportional to 22,590.26, 31,174.63 and 12,518.87 is: 17,276.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,590.26 : 31,174.63 = 12,518.87 : x
  2. Step 2: Convert to fraction form
    22,590.26/31,174.63 = 12,518.87/x
  3. Step 3: Cross multiply
    22,590.26x = 31,174.63 × 12,518.87
  4. Step 4: Simplify right side
    22,590.26x = 390,270,953.10
  5. Step 5: Solve for x
    x = 390,270,953.10/22,590.26
  6. Step 6: Final answer
    x = 17,276.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.