Home / 21,433.05-29,577.29-12,001.95

Finding the Fourth Proportional to 21,433.05, 29,577.29 and 12,001.95

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Solution

The fourth proportional to 21,433.05, 29,577.29 and 12,001.95 is: 16,562.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,433.05 : 29,577.29 = 12,001.95 : x
  2. Step 2: Convert to fraction form
    21,433.05/29,577.29 = 12,001.95/x
  3. Step 3: Cross multiply
    21,433.05x = 29,577.29 × 12,001.95
  4. Step 4: Simplify right side
    21,433.05x = 354,985,095.71
  5. Step 5: Solve for x
    x = 354,985,095.71/21,433.05
  6. Step 6: Final answer
    x = 16,562.51

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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.