Home / 28,783.34-39,721.61-16,037.31

Finding the Fourth Proportional to 28,783.34, 39,721.61 and 16,037.31

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Solution

The fourth proportional to 28,783.34, 39,721.61 and 16,037.31 is: 22,131.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,783.34 : 39,721.61 = 16,037.31 : x
  2. Step 2: Convert to fraction form
    28,783.34/39,721.61 = 16,037.31/x
  3. Step 3: Cross multiply
    28,783.34x = 39,721.61 × 16,037.31
  4. Step 4: Simplify right side
    28,783.34x = 637,027,693.08
  5. Step 5: Solve for x
    x = 637,027,693.08/28,783.34
  6. Step 6: Final answer
    x = 22,131.82

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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.