Home / 28,571.90-39,425.86-16,472.25

Finding the Fourth Proportional to 28,571.90, 39,425.86 and 16,472.25

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Solution

The fourth proportional to 28,571.90, 39,425.86 and 16,472.25 is: 22,729.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,571.90 : 39,425.86 = 16,472.25 : x
  2. Step 2: Convert to fraction form
    28,571.90/39,425.86 = 16,472.25/x
  3. Step 3: Cross multiply
    28,571.90x = 39,425.86 × 16,472.25
  4. Step 4: Simplify right side
    28,571.90x = 649,432,581.20
  5. Step 5: Solve for x
    x = 649,432,581.20/28,571.90
  6. Step 6: Final answer
    x = 22,729.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.