Home / 45,274.08-67,894.32-15,684

Finding the Fourth Proportional to 45,274.08, 67,894.32 and 15,684

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Solution

The fourth proportional to 45,274.08, 67,894.32 and 15,684 is: 23,520.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,274.08 : 67,894.32 = 15,684 : x
  2. Step 2: Convert to fraction form
    45,274.08/67,894.32 = 15,684/x
  3. Step 3: Cross multiply
    45,274.08x = 67,894.32 × 15,684
  4. Step 4: Simplify right side
    45,274.08x = 1,064,854,514.88
  5. Step 5: Solve for x
    x = 1,064,854,514.88/45,274.08
  6. Step 6: Final answer
    x = 23,520.18

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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.