Home / 21,032.73-29,009.93-14,306.42

Finding the Fourth Proportional to 21,032.73, 29,009.93 and 14,306.42

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Solution

The fourth proportional to 21,032.73, 29,009.93 and 14,306.42 is: 19,732.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032.73 : 29,009.93 = 14,306.42 : x
  2. Step 2: Convert to fraction form
    21,032.73/29,009.93 = 14,306.42/x
  3. Step 3: Cross multiply
    21,032.73x = 29,009.93 × 14,306.42
  4. Step 4: Simplify right side
    21,032.73x = 415,028,026.17
  5. Step 5: Solve for x
    x = 415,028,026.17/21,032.73
  6. Step 6: Final answer
    x = 19,732.48

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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.