Home / 28,110.26-42,202.48-25,789.30

Finding the Fourth Proportional to 28,110.26, 42,202.48 and 25,789.30

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Solution

The fourth proportional to 28,110.26, 42,202.48 and 25,789.30 is: 38,717.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,110.26 : 42,202.48 = 25,789.30 : x
  2. Step 2: Convert to fraction form
    28,110.26/42,202.48 = 25,789.30/x
  3. Step 3: Cross multiply
    28,110.26x = 42,202.48 × 25,789.30
  4. Step 4: Simplify right side
    28,110.26x = 1,088,372,417.46
  5. Step 5: Solve for x
    x = 1,088,372,417.46/28,110.26
  6. Step 6: Final answer
    x = 38,717.98

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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.