Home / 84,965.75-127,462.38-28,022.64

Finding the Fourth Proportional to 84,965.75, 127,462.38 and 28,022.64

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Solution

The fourth proportional to 84,965.75, 127,462.38 and 28,022.64 is: 42,038.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,965.75 : 127,462.38 = 28,022.64 : x
  2. Step 2: Convert to fraction form
    84,965.75/127,462.38 = 28,022.64/x
  3. Step 3: Cross multiply
    84,965.75x = 127,462.38 × 28,022.64
  4. Step 4: Simplify right side
    84,965.75x = 3,571,832,388.28
  5. Step 5: Solve for x
    x = 3,571,832,388.28/84,965.75
  6. Step 6: Final answer
    x = 42,038.50

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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.