Home / 25,820.12-35,643.57-19,849.70

Finding the Fourth Proportional to 25,820.12, 35,643.57 and 19,849.70

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Solution

The fourth proportional to 25,820.12, 35,643.57 and 19,849.70 is: 27,401.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,820.12 : 35,643.57 = 19,849.70 : x
  2. Step 2: Convert to fraction form
    25,820.12/35,643.57 = 19,849.70/x
  3. Step 3: Cross multiply
    25,820.12x = 35,643.57 × 19,849.70
  4. Step 4: Simplify right side
    25,820.12x = 707,514,171.43
  5. Step 5: Solve for x
    x = 707,514,171.43/25,820.12
  6. Step 6: Final answer
    x = 27,401.66

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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.