Home / 39,487.58-54,455.14-25,855.28

Finding the Fourth Proportional to 39,487.58, 54,455.14 and 25,855.28

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Solution

The fourth proportional to 39,487.58, 54,455.14 and 25,855.28 is: 35,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,487.58 : 54,455.14 = 25,855.28 : x
  2. Step 2: Convert to fraction form
    39,487.58/54,455.14 = 25,855.28/x
  3. Step 3: Cross multiply
    39,487.58x = 54,455.14 × 25,855.28
  4. Step 4: Simplify right side
    39,487.58x = 1,407,952,892.14
  5. Step 5: Solve for x
    x = 1,407,952,892.14/39,487.58
  6. Step 6: Final answer
    x = 35,655.59

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1.5x scale

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.