Home / 26,380.97-36,405.75-14,445.07

Finding the Fourth Proportional to 26,380.97, 36,405.75 and 14,445.07

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Solution

The fourth proportional to 26,380.97, 36,405.75 and 14,445.07 is: 19,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,380.97 : 36,405.75 = 14,445.07 : x
  2. Step 2: Convert to fraction form
    26,380.97/36,405.75 = 14,445.07/x
  3. Step 3: Cross multiply
    26,380.97x = 36,405.75 × 14,445.07
  4. Step 4: Simplify right side
    26,380.97x = 525,883,570.31
  5. Step 5: Solve for x
    x = 525,883,570.31/26,380.97
  6. Step 6: Final answer
    x = 19,934.20

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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.