Home / 21,277.50-31,907.01-7,233.75

Finding the Fourth Proportional to 21,277.50, 31,907.01 and 7,233.75

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Solution

The fourth proportional to 21,277.50, 31,907.01 and 7,233.75 is: 10,847.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,277.50 : 31,907.01 = 7,233.75 : x
  2. Step 2: Convert to fraction form
    21,277.50/31,907.01 = 7,233.75/x
  3. Step 3: Cross multiply
    21,277.50x = 31,907.01 × 7,233.75
  4. Step 4: Simplify right side
    21,277.50x = 230,807,320.02
  5. Step 5: Solve for x
    x = 230,807,320.02/21,277.50
  6. Step 6: Final answer
    x = 10,847.48

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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.