Home / 43,028.40-64,542.30-25,485.63

Finding the Fourth Proportional to 43,028.40, 64,542.30 and 25,485.63

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Solution

The fourth proportional to 43,028.40, 64,542.30 and 25,485.63 is: 38,228.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,028.40 : 64,542.30 = 25,485.63 : x
  2. Step 2: Convert to fraction form
    43,028.40/64,542.30 = 25,485.63/x
  3. Step 3: Cross multiply
    43,028.40x = 64,542.30 × 25,485.63
  4. Step 4: Simplify right side
    43,028.40x = 1,644,901,177.15
  5. Step 5: Solve for x
    x = 1,644,901,177.15/43,028.40
  6. Step 6: Final answer
    x = 38,228.27

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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.