Home / 21,032.80-29,026.12-11,601.96

Finding the Fourth Proportional to 21,032.80, 29,026.12 and 11,601.96

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Solution

The fourth proportional to 21,032.80, 29,026.12 and 11,601.96 is: 16,011.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032.80 : 29,026.12 = 11,601.96 : x
  2. Step 2: Convert to fraction form
    21,032.80/29,026.12 = 11,601.96/x
  3. Step 3: Cross multiply
    21,032.80x = 29,026.12 × 11,601.96
  4. Step 4: Simplify right side
    21,032.80x = 336,759,883.20
  5. Step 5: Solve for x
    x = 336,759,883.20/21,032.80
  6. Step 6: Final answer
    x = 16,011.18

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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.