Home / 28,476.52-42,725.88-11,832.40

Finding the Fourth Proportional to 28,476.52, 42,725.88 and 11,832.40

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Solution

The fourth proportional to 28,476.52, 42,725.88 and 11,832.40 is: 17,753.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,476.52 : 42,725.88 = 11,832.40 : x
  2. Step 2: Convert to fraction form
    28,476.52/42,725.88 = 11,832.40/x
  3. Step 3: Cross multiply
    28,476.52x = 42,725.88 × 11,832.40
  4. Step 4: Simplify right side
    28,476.52x = 505,549,702.51
  5. Step 5: Solve for x
    x = 505,549,702.51/28,476.52
  6. Step 6: Final answer
    x = 17,753.21

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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.