Home / 28,471.21-39,287.29-16,532.22

Finding the Fourth Proportional to 28,471.21, 39,287.29 and 16,532.22

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Solution

The fourth proportional to 28,471.21, 39,287.29 and 16,532.22 is: 22,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,471.21 : 39,287.29 = 16,532.22 : x
  2. Step 2: Convert to fraction form
    28,471.21/39,287.29 = 16,532.22/x
  3. Step 3: Cross multiply
    28,471.21x = 39,287.29 × 16,532.22
  4. Step 4: Simplify right side
    28,471.21x = 649,506,121.48
  5. Step 5: Solve for x
    x = 649,506,121.48/28,471.21
  6. Step 6: Final answer
    x = 22,812.73

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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.