Home / 21,505.06-29,689.32-14,333.08

Finding the Fourth Proportional to 21,505.06, 29,689.32 and 14,333.08

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Solution

The fourth proportional to 21,505.06, 29,689.32 and 14,333.08 is: 19,787.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505.06 : 29,689.32 = 14,333.08 : x
  2. Step 2: Convert to fraction form
    21,505.06/29,689.32 = 14,333.08/x
  3. Step 3: Cross multiply
    21,505.06x = 29,689.32 × 14,333.08
  4. Step 4: Simplify right side
    21,505.06x = 425,539,398.71
  5. Step 5: Solve for x
    x = 425,539,398.71/21,505.06
  6. Step 6: Final answer
    x = 19,787.87

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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.