Home / 20,723.09-31,075.49-5,928.64

Finding the Fourth Proportional to 20,723.09, 31,075.49 and 5,928.64

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Solution

The fourth proportional to 20,723.09, 31,075.49 and 5,928.64 is: 8,890.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723.09 : 31,075.49 = 5,928.64 : x
  2. Step 2: Convert to fraction form
    20,723.09/31,075.49 = 5,928.64/x
  3. Step 3: Cross multiply
    20,723.09x = 31,075.49 × 5,928.64
  4. Step 4: Simplify right side
    20,723.09x = 184,235,330.17
  5. Step 5: Solve for x
    x = 184,235,330.17/20,723.09
  6. Step 6: Final answer
    x = 8,890.34

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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.