Home / 25,999.92-38,995.56-7,281.90

Finding the Fourth Proportional to 25,999.92, 38,995.56 and 7,281.90

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Solution

The fourth proportional to 25,999.92, 38,995.56 and 7,281.90 is: 10,921.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,999.92 : 38,995.56 = 7,281.90 : x
  2. Step 2: Convert to fraction form
    25,999.92/38,995.56 = 7,281.90/x
  3. Step 3: Cross multiply
    25,999.92x = 38,995.56 × 7,281.90
  4. Step 4: Simplify right side
    25,999.92x = 283,961,768.36
  5. Step 5: Solve for x
    x = 283,961,768.36/25,999.92
  6. Step 6: Final answer
    x = 10,921.64

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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.