Home / 25,577.16-38,314.71-20,321.07

Finding the Fourth Proportional to 25,577.16, 38,314.71 and 20,321.07

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Solution

The fourth proportional to 25,577.16, 38,314.71 and 20,321.07 is: 30,441.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,577.16 : 38,314.71 = 20,321.07 : x
  2. Step 2: Convert to fraction form
    25,577.16/38,314.71 = 20,321.07/x
  3. Step 3: Cross multiply
    25,577.16x = 38,314.71 × 20,321.07
  4. Step 4: Simplify right side
    25,577.16x = 778,595,903.94
  5. Step 5: Solve for x
    x = 778,595,903.94/25,577.16
  6. Step 6: Final answer
    x = 30,441.06

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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.