Home / 40,215.08-60,312.90-16,859

Finding the Fourth Proportional to 40,215.08, 60,312.90 and 16,859

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Solution

The fourth proportional to 40,215.08, 60,312.90 and 16,859 is: 25,284.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,215.08 : 60,312.90 = 16,859 : x
  2. Step 2: Convert to fraction form
    40,215.08/60,312.90 = 16,859/x
  3. Step 3: Cross multiply
    40,215.08x = 60,312.90 × 16,859
  4. Step 4: Simplify right side
    40,215.08x = 1,016,815,181.10
  5. Step 5: Solve for x
    x = 1,016,815,181.10/40,215.08
  6. Step 6: Final answer
    x = 25,284.43

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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.