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Finding the Fourth Proportional to 56,692, 85,041.60 and 17,252.02

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Solution

The fourth proportional to 56,692, 85,041.60 and 17,252.02 is: 25,879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,692 : 85,041.60 = 17,252.02 : x
  2. Step 2: Convert to fraction form
    56,692/85,041.60 = 17,252.02/x
  3. Step 3: Cross multiply
    56,692x = 85,041.60 × 17,252.02
  4. Step 4: Simplify right side
    56,692x = 1,467,139,384.03
  5. Step 5: Solve for x
    x = 1,467,139,384.03/56,692
  6. Step 6: Final answer
    x = 25,879.13

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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.