Home / 21,335.48-29,442.98-11,904.04

Finding the Fourth Proportional to 21,335.48, 29,442.98 and 11,904.04

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Solution

The fourth proportional to 21,335.48, 29,442.98 and 11,904.04 is: 16,427.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335.48 : 29,442.98 = 11,904.04 : x
  2. Step 2: Convert to fraction form
    21,335.48/29,442.98 = 11,904.04/x
  3. Step 3: Cross multiply
    21,335.48x = 29,442.98 × 11,904.04
  4. Step 4: Simplify right side
    21,335.48x = 350,490,411.64
  5. Step 5: Solve for x
    x = 350,490,411.64/21,335.48
  6. Step 6: Final answer
    x = 16,427.59

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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.