Home / 28,595.55-39,472.71-16,662.75

Finding the Fourth Proportional to 28,595.55, 39,472.71 and 16,662.75

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Solution

The fourth proportional to 28,595.55, 39,472.71 and 16,662.75 is: 23,000.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,595.55 : 39,472.71 = 16,662.75 : x
  2. Step 2: Convert to fraction form
    28,595.55/39,472.71 = 16,662.75/x
  3. Step 3: Cross multiply
    28,595.55x = 39,472.71 × 16,662.75
  4. Step 4: Simplify right side
    28,595.55x = 657,723,898.55
  5. Step 5: Solve for x
    x = 657,723,898.55/28,595.55
  6. Step 6: Final answer
    x = 23,000.92

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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.