Home / 21,837.53-32,702.52-12,454.40

Finding the Fourth Proportional to 21,837.53, 32,702.52 and 12,454.40

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Solution

The fourth proportional to 21,837.53, 32,702.52 and 12,454.40 is: 18,650.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,837.53 : 32,702.52 = 12,454.40 : x
  2. Step 2: Convert to fraction form
    21,837.53/32,702.52 = 12,454.40/x
  3. Step 3: Cross multiply
    21,837.53x = 32,702.52 × 12,454.40
  4. Step 4: Simplify right side
    21,837.53x = 407,290,101.58
  5. Step 5: Solve for x
    x = 407,290,101.58/21,837.53
  6. Step 6: Final answer
    x = 18,650.93

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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.