Home / 26,380.76-36,405.86-14,445.20

Finding the Fourth Proportional to 26,380.76, 36,405.86 and 14,445.20

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Solution

The fourth proportional to 26,380.76, 36,405.86 and 14,445.20 is: 19,934.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,380.76 : 36,405.86 = 14,445.20 : x
  2. Step 2: Convert to fraction form
    26,380.76/36,405.86 = 14,445.20/x
  3. Step 3: Cross multiply
    26,380.76x = 36,405.86 × 14,445.20
  4. Step 4: Simplify right side
    26,380.76x = 525,889,947.66
  5. Step 5: Solve for x
    x = 525,889,947.66/26,380.76
  6. Step 6: Final answer
    x = 19,934.61

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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.