Home / 21,455.31-29,608.33-12,026.91

Finding the Fourth Proportional to 21,455.31, 29,608.33 and 12,026.91

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Solution

The fourth proportional to 21,455.31, 29,608.33 and 12,026.91 is: 16,597.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,455.31 : 29,608.33 = 12,026.91 : x
  2. Step 2: Convert to fraction form
    21,455.31/29,608.33 = 12,026.91/x
  3. Step 3: Cross multiply
    21,455.31x = 29,608.33 × 12,026.91
  4. Step 4: Simplify right side
    21,455.31x = 356,096,720.16
  5. Step 5: Solve for x
    x = 356,096,720.16/21,455.31
  6. Step 6: Final answer
    x = 16,597.14

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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.