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Finding the Fourth Proportional to 29,615.52, 40,857.72 and 17,033.52

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Solution

The fourth proportional to 29,615.52, 40,857.72 and 17,033.52 is: 23,499.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,615.52 : 40,857.72 = 17,033.52 : x
  2. Step 2: Convert to fraction form
    29,615.52/40,857.72 = 17,033.52/x
  3. Step 3: Cross multiply
    29,615.52x = 40,857.72 × 17,033.52
  4. Step 4: Simplify right side
    29,615.52x = 695,950,790.77
  5. Step 5: Solve for x
    x = 695,950,790.77/29,615.52
  6. Step 6: Final answer
    x = 23,499.53

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1.5x scale

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.