Home / 28,571.16-39,424.83-16,471.50

Finding the Fourth Proportional to 28,571.16, 39,424.83 and 16,471.50

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Solution

The fourth proportional to 28,571.16, 39,424.83 and 16,471.50 is: 22,728.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,571.16 : 39,424.83 = 16,471.50 : x
  2. Step 2: Convert to fraction form
    28,571.16/39,424.83 = 16,471.50/x
  3. Step 3: Cross multiply
    28,571.16x = 39,424.83 × 16,471.50
  4. Step 4: Simplify right side
    28,571.16x = 649,386,099.50
  5. Step 5: Solve for x
    x = 649,386,099.50/28,571.16
  6. Step 6: Final answer
    x = 22,728.73

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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.