Home / 25,781.81-35,566.24-16,825.17

Finding the Fourth Proportional to 25,781.81, 35,566.24 and 16,825.17

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Solution

The fourth proportional to 25,781.81, 35,566.24 and 16,825.17 is: 23,210.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,781.81 : 35,566.24 = 16,825.17 : x
  2. Step 2: Convert to fraction form
    25,781.81/35,566.24 = 16,825.17/x
  3. Step 3: Cross multiply
    25,781.81x = 35,566.24 × 16,825.17
  4. Step 4: Simplify right side
    25,781.81x = 598,408,034.26
  5. Step 5: Solve for x
    x = 598,408,034.26/25,781.81
  6. Step 6: Final answer
    x = 23,210.47

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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.