Home / 26,900.50-40,357.23-8,432.50

Finding the Fourth Proportional to 26,900.50, 40,357.23 and 8,432.50

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Solution

The fourth proportional to 26,900.50, 40,357.23 and 8,432.50 is: 12,650.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,900.50 : 40,357.23 = 8,432.50 : x
  2. Step 2: Convert to fraction form
    26,900.50/40,357.23 = 8,432.50/x
  3. Step 3: Cross multiply
    26,900.50x = 40,357.23 × 8,432.50
  4. Step 4: Simplify right side
    26,900.50x = 340,312,341.98
  5. Step 5: Solve for x
    x = 340,312,341.98/26,900.50
  6. Step 6: Final answer
    x = 12,650.78

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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.