Home / 25,814.56-35,644.16-19,836.80

Finding the Fourth Proportional to 25,814.56, 35,644.16 and 19,836.80

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Solution

The fourth proportional to 25,814.56, 35,644.16 and 19,836.80 is: 27,390.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,814.56 : 35,644.16 = 19,836.80 : x
  2. Step 2: Convert to fraction form
    25,814.56/35,644.16 = 19,836.80/x
  3. Step 3: Cross multiply
    25,814.56x = 35,644.16 × 19,836.80
  4. Step 4: Simplify right side
    25,814.56x = 707,066,073.09
  5. Step 5: Solve for x
    x = 707,066,073.09/25,814.56
  6. Step 6: Final answer
    x = 27,390.20

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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.