Home / 25,857.74-35,682.47-14,372.12

Finding the Fourth Proportional to 25,857.74, 35,682.47 and 14,372.12

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Solution

The fourth proportional to 25,857.74, 35,682.47 and 14,372.12 is: 19,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,857.74 : 35,682.47 = 14,372.12 : x
  2. Step 2: Convert to fraction form
    25,857.74/35,682.47 = 14,372.12/x
  3. Step 3: Cross multiply
    25,857.74x = 35,682.47 × 14,372.12
  4. Step 4: Simplify right side
    25,857.74x = 512,832,740.74
  5. Step 5: Solve for x
    x = 512,832,740.74/25,857.74
  6. Step 6: Final answer
    x = 19,832.85

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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.