Home / 25,094.83-34,543.92-21,690.28

Finding the Fourth Proportional to 25,094.83, 34,543.92 and 21,690.28

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Solution

The fourth proportional to 25,094.83, 34,543.92 and 21,690.28 is: 29,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,094.83 : 34,543.92 = 21,690.28 : x
  2. Step 2: Convert to fraction form
    25,094.83/34,543.92 = 21,690.28/x
  3. Step 3: Cross multiply
    25,094.83x = 34,543.92 × 21,690.28
  4. Step 4: Simplify right side
    25,094.83x = 749,267,297.10
  5. Step 5: Solve for x
    x = 749,267,297.10/25,094.83
  6. Step 6: Final answer
    x = 29,857.44

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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.