Home / 26,920.40-40,358.52-12,124.88

Finding the Fourth Proportional to 26,920.40, 40,358.52 and 12,124.88

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Solution

The fourth proportional to 26,920.40, 40,358.52 and 12,124.88 is: 18,177.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,920.40 : 40,358.52 = 12,124.88 : x
  2. Step 2: Convert to fraction form
    26,920.40/40,358.52 = 12,124.88/x
  3. Step 3: Cross multiply
    26,920.40x = 40,358.52 × 12,124.88
  4. Step 4: Simplify right side
    26,920.40x = 489,342,211.98
  5. Step 5: Solve for x
    x = 489,342,211.98/26,920.40
  6. Step 6: Final answer
    x = 18,177.38

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1.5x scale

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.