Home / 21,262.41-29,349-19,020.33

Finding the Fourth Proportional to 21,262.41, 29,349 and 19,020.33

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Solution

The fourth proportional to 21,262.41, 29,349 and 19,020.33 is: 26,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,262.41 : 29,349 = 19,020.33 : x
  2. Step 2: Convert to fraction form
    21,262.41/29,349 = 19,020.33/x
  3. Step 3: Cross multiply
    21,262.41x = 29,349 × 19,020.33
  4. Step 4: Simplify right side
    21,262.41x = 558,227,665.17
  5. Step 5: Solve for x
    x = 558,227,665.17/21,262.41
  6. Step 6: Final answer
    x = 26,254.20

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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.