Home / 28,983.76-39,999.08-16,236.18

Finding the Fourth Proportional to 28,983.76, 39,999.08 and 16,236.18

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Solution

The fourth proportional to 28,983.76, 39,999.08 and 16,236.18 is: 22,406.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,983.76 : 39,999.08 = 16,236.18 : x
  2. Step 2: Convert to fraction form
    28,983.76/39,999.08 = 16,236.18/x
  3. Step 3: Cross multiply
    28,983.76x = 39,999.08 × 16,236.18
  4. Step 4: Simplify right side
    28,983.76x = 649,432,262.71
  5. Step 5: Solve for x
    x = 649,432,262.71/28,983.76
  6. Step 6: Final answer
    x = 22,406.76

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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.