Home / 28,472.15-39,288.58-16,533.15

Finding the Fourth Proportional to 28,472.15, 39,288.58 and 16,533.15

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Solution

The fourth proportional to 28,472.15, 39,288.58 and 16,533.15 is: 22,814.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,472.15 : 39,288.58 = 16,533.15 : x
  2. Step 2: Convert to fraction form
    28,472.15/39,288.58 = 16,533.15/x
  3. Step 3: Cross multiply
    28,472.15x = 39,288.58 × 16,533.15
  4. Step 4: Simplify right side
    28,472.15x = 649,563,986.43
  5. Step 5: Solve for x
    x = 649,563,986.43/28,472.15
  6. Step 6: Final answer
    x = 22,814.01

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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.