Home / 26,230.32-36,211.50-20,396.46

Finding the Fourth Proportional to 26,230.32, 36,211.50 and 20,396.46

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Solution

The fourth proportional to 26,230.32, 36,211.50 and 20,396.46 is: 28,157.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,230.32 : 36,211.50 = 20,396.46 : x
  2. Step 2: Convert to fraction form
    26,230.32/36,211.50 = 20,396.46/x
  3. Step 3: Cross multiply
    26,230.32x = 36,211.50 × 20,396.46
  4. Step 4: Simplify right side
    26,230.32x = 738,586,411.29
  5. Step 5: Solve for x
    x = 738,586,411.29/26,230.32
  6. Step 6: Final answer
    x = 28,157.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.