Home / 17,479.08-23,985.46-15,895.08

Finding the Fourth Proportional to 17,479.08, 23,985.46 and 15,895.08

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Solution

The fourth proportional to 17,479.08, 23,985.46 and 15,895.08 is: 21,811.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,479.08 : 23,985.46 = 15,895.08 : x
  2. Step 2: Convert to fraction form
    17,479.08/23,985.46 = 15,895.08/x
  3. Step 3: Cross multiply
    17,479.08x = 23,985.46 × 15,895.08
  4. Step 4: Simplify right side
    17,479.08x = 381,250,805.54
  5. Step 5: Solve for x
    x = 381,250,805.54/17,479.08
  6. Step 6: Final answer
    x = 21,811.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.