Home / 28,592.55-39,456.57-15,845.94

Finding the Fourth Proportional to 28,592.55, 39,456.57 and 15,845.94

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Solution

The fourth proportional to 28,592.55, 39,456.57 and 15,845.94 is: 21,866.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,592.55 : 39,456.57 = 15,845.94 : x
  2. Step 2: Convert to fraction form
    28,592.55/39,456.57 = 15,845.94/x
  3. Step 3: Cross multiply
    28,592.55x = 39,456.57 × 15,845.94
  4. Step 4: Simplify right side
    28,592.55x = 625,226,440.83
  5. Step 5: Solve for x
    x = 625,226,440.83/28,592.55
  6. Step 6: Final answer
    x = 21,866.76

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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.