Home / 38,977.21-53,752.67-25,543.59

Finding the Fourth Proportional to 38,977.21, 53,752.67 and 25,543.59

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Solution

The fourth proportional to 38,977.21, 53,752.67 and 25,543.59 is: 35,226.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,977.21 : 53,752.67 = 25,543.59 : x
  2. Step 2: Convert to fraction form
    38,977.21/53,752.67 = 25,543.59/x
  3. Step 3: Cross multiply
    38,977.21x = 53,752.67 × 25,543.59
  4. Step 4: Simplify right side
    38,977.21x = 1,373,036,163.89
  5. Step 5: Solve for x
    x = 1,373,036,163.89/38,977.21
  6. Step 6: Final answer
    x = 35,226.64

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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.