Home / 26,380.32-36,403.80-15,763.68

Finding the Fourth Proportional to 26,380.32, 36,403.80 and 15,763.68

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Solution

The fourth proportional to 26,380.32, 36,403.80 and 15,763.68 is: 21,753.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,380.32 : 36,403.80 = 15,763.68 : x
  2. Step 2: Convert to fraction form
    26,380.32/36,403.80 = 15,763.68/x
  3. Step 3: Cross multiply
    26,380.32x = 36,403.80 × 15,763.68
  4. Step 4: Simplify right side
    26,380.32x = 573,857,853.98
  5. Step 5: Solve for x
    x = 573,857,853.98/26,380.32
  6. Step 6: Final answer
    x = 21,753.26

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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.