Home / 26,859.72-40,294.80-12,068.40

Finding the Fourth Proportional to 26,859.72, 40,294.80 and 12,068.40

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Solution

The fourth proportional to 26,859.72, 40,294.80 and 12,068.40 is: 18,104.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,859.72 : 40,294.80 = 12,068.40 : x
  2. Step 2: Convert to fraction form
    26,859.72/40,294.80 = 12,068.40/x
  3. Step 3: Cross multiply
    26,859.72x = 40,294.80 × 12,068.40
  4. Step 4: Simplify right side
    26,859.72x = 486,293,764.32
  5. Step 5: Solve for x
    x = 486,293,764.32/26,859.72
  6. Step 6: Final answer
    x = 18,104.95

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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.