Home / 21,278.07-29,365.17-14,095.59

Finding the Fourth Proportional to 21,278.07, 29,365.17 and 14,095.59

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Solution

The fourth proportional to 21,278.07, 29,365.17 and 14,095.59 is: 19,452.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,278.07 : 29,365.17 = 14,095.59 : x
  2. Step 2: Convert to fraction form
    21,278.07/29,365.17 = 14,095.59/x
  3. Step 3: Cross multiply
    21,278.07x = 29,365.17 × 14,095.59
  4. Step 4: Simplify right side
    21,278.07x = 413,919,396.60
  5. Step 5: Solve for x
    x = 413,919,396.60/21,278.07
  6. Step 6: Final answer
    x = 19,452.86

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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.