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Finding the Fourth Proportional to 23,843.68, 32,936.88 and 19,362.40

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Solution

The fourth proportional to 23,843.68, 32,936.88 and 19,362.40 is: 26,746.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,843.68 : 32,936.88 = 19,362.40 : x
  2. Step 2: Convert to fraction form
    23,843.68/32,936.88 = 19,362.40/x
  3. Step 3: Cross multiply
    23,843.68x = 32,936.88 × 19,362.40
  4. Step 4: Simplify right side
    23,843.68x = 637,737,045.31
  5. Step 5: Solve for x
    x = 637,737,045.31/23,843.68
  6. Step 6: Final answer
    x = 26,746.59

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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.