Home / 28,472.28-39,292.96-16,533.12

Finding the Fourth Proportional to 28,472.28, 39,292.96 and 16,533.12

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Solution

The fourth proportional to 28,472.28, 39,292.96 and 16,533.12 is: 22,816.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,472.28 : 39,292.96 = 16,533.12 : x
  2. Step 2: Convert to fraction form
    28,472.28/39,292.96 = 16,533.12/x
  3. Step 3: Cross multiply
    28,472.28x = 39,292.96 × 16,533.12
  4. Step 4: Simplify right side
    28,472.28x = 649,635,222.84
  5. Step 5: Solve for x
    x = 649,635,222.84/28,472.28
  6. Step 6: Final answer
    x = 22,816.41

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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.