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Finding the Fourth Proportional to 35,651.70, 53,460.24 and 17,874.72

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Solution

The fourth proportional to 35,651.70, 53,460.24 and 17,874.72 is: 26,803.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,651.70 : 53,460.24 = 17,874.72 : x
  2. Step 2: Convert to fraction form
    35,651.70/53,460.24 = 17,874.72/x
  3. Step 3: Cross multiply
    35,651.70x = 53,460.24 × 17,874.72
  4. Step 4: Simplify right side
    35,651.70x = 955,586,821.13
  5. Step 5: Solve for x
    x = 955,586,821.13/35,651.70
  6. Step 6: Final answer
    x = 26,803.40

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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.