Home / 25,577.30-38,314.86-20,321.22

Finding the Fourth Proportional to 25,577.30, 38,314.86 and 20,321.22

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Solution

The fourth proportional to 25,577.30, 38,314.86 and 20,321.22 is: 30,441.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,577.30 : 38,314.86 = 20,321.22 : x
  2. Step 2: Convert to fraction form
    25,577.30/38,314.86 = 20,321.22/x
  3. Step 3: Cross multiply
    25,577.30x = 38,314.86 × 20,321.22
  4. Step 4: Simplify right side
    25,577.30x = 778,604,699.33
  5. Step 5: Solve for x
    x = 778,604,699.33/25,577.30
  6. Step 6: Final answer
    x = 30,441.24

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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.