Home / 21,323.15-31,984.85-5,527.10

Finding the Fourth Proportional to 21,323.15, 31,984.85 and 5,527.10

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Solution

The fourth proportional to 21,323.15, 31,984.85 and 5,527.10 is: 8,290.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,323.15 : 31,984.85 = 5,527.10 : x
  2. Step 2: Convert to fraction form
    21,323.15/31,984.85 = 5,527.10/x
  3. Step 3: Cross multiply
    21,323.15x = 31,984.85 × 5,527.10
  4. Step 4: Simplify right side
    21,323.15x = 176,783,464.44
  5. Step 5: Solve for x
    x = 176,783,464.44/21,323.15
  6. Step 6: Final answer
    x = 8,290.68

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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.