Home / 26,405.23-36,471.59-21,375.13

Finding the Fourth Proportional to 26,405.23, 36,471.59 and 21,375.13

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Solution

The fourth proportional to 26,405.23, 36,471.59 and 21,375.13 is: 29,523.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,405.23 : 36,471.59 = 21,375.13 : x
  2. Step 2: Convert to fraction form
    26,405.23/36,471.59 = 21,375.13/x
  3. Step 3: Cross multiply
    26,405.23x = 36,471.59 × 21,375.13
  4. Step 4: Simplify right side
    26,405.23x = 779,584,977.56
  5. Step 5: Solve for x
    x = 779,584,977.56/26,405.23
  6. Step 6: Final answer
    x = 29,523.89

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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.