Home / 28,406.24-39,200.76-16,476.64

Finding the Fourth Proportional to 28,406.24, 39,200.76 and 16,476.64

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Solution

The fourth proportional to 28,406.24, 39,200.76 and 16,476.64 is: 22,737.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,406.24 : 39,200.76 = 16,476.64 : x
  2. Step 2: Convert to fraction form
    28,406.24/39,200.76 = 16,476.64/x
  3. Step 3: Cross multiply
    28,406.24x = 39,200.76 × 16,476.64
  4. Step 4: Simplify right side
    28,406.24x = 645,896,810.25
  5. Step 5: Solve for x
    x = 645,896,810.25/28,406.24
  6. Step 6: Final answer
    x = 22,737.85

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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.