Home / 16,435.48-24,616.32-15,881.90

Finding the Fourth Proportional to 16,435.48, 24,616.32 and 15,881.90

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Solution

The fourth proportional to 16,435.48, 24,616.32 and 15,881.90 is: 23,787.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,435.48 : 24,616.32 = 15,881.90 : x
  2. Step 2: Convert to fraction form
    16,435.48/24,616.32 = 15,881.90/x
  3. Step 3: Cross multiply
    16,435.48x = 24,616.32 × 15,881.90
  4. Step 4: Simplify right side
    16,435.48x = 390,953,932.61
  5. Step 5: Solve for x
    x = 390,953,932.61/16,435.48
  6. Step 6: Final answer
    x = 23,787.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.