Home / 25,222.84-34,787.64-15,657.32

Finding the Fourth Proportional to 25,222.84, 34,787.64 and 15,657.32

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Solution

The fourth proportional to 25,222.84, 34,787.64 and 15,657.32 is: 21,594.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,222.84 : 34,787.64 = 15,657.32 : x
  2. Step 2: Convert to fraction form
    25,222.84/34,787.64 = 15,657.32/x
  3. Step 3: Cross multiply
    25,222.84x = 34,787.64 × 15,657.32
  4. Step 4: Simplify right side
    25,222.84x = 544,681,357.21
  5. Step 5: Solve for x
    x = 544,681,357.21/25,222.84
  6. Step 6: Final answer
    x = 21,594.77

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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.