Home / 23,511.88-32,440.62-13,437.28

Finding the Fourth Proportional to 23,511.88, 32,440.62 and 13,437.28

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Solution

The fourth proportional to 23,511.88, 32,440.62 and 13,437.28 is: 18,540.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,511.88 : 32,440.62 = 13,437.28 : x
  2. Step 2: Convert to fraction form
    23,511.88/32,440.62 = 13,437.28/x
  3. Step 3: Cross multiply
    23,511.88x = 32,440.62 × 13,437.28
  4. Step 4: Simplify right side
    23,511.88x = 435,913,694.31
  5. Step 5: Solve for x
    x = 435,913,694.31/23,511.88
  6. Step 6: Final answer
    x = 18,540.15

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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.