Home / 25,755.32-38,562.72-19,496.40

Finding the Fourth Proportional to 25,755.32, 38,562.72 and 19,496.40

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Solution

The fourth proportional to 25,755.32, 38,562.72 and 19,496.40 is: 29,191.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,755.32 : 38,562.72 = 19,496.40 : x
  2. Step 2: Convert to fraction form
    25,755.32/38,562.72 = 19,496.40/x
  3. Step 3: Cross multiply
    25,755.32x = 38,562.72 × 19,496.40
  4. Step 4: Simplify right side
    25,755.32x = 751,834,214.21
  5. Step 5: Solve for x
    x = 751,834,214.21/25,755.32
  6. Step 6: Final answer
    x = 29,191.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.