Home / 28,024.44-38,665.32-16,688.16

Finding the Fourth Proportional to 28,024.44, 38,665.32 and 16,688.16

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Solution

The fourth proportional to 28,024.44, 38,665.32 and 16,688.16 is: 23,024.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,024.44 : 38,665.32 = 16,688.16 : x
  2. Step 2: Convert to fraction form
    28,024.44/38,665.32 = 16,688.16/x
  3. Step 3: Cross multiply
    28,024.44x = 38,665.32 × 16,688.16
  4. Step 4: Simplify right side
    28,024.44x = 645,253,046.61
  5. Step 5: Solve for x
    x = 645,253,046.61/28,024.44
  6. Step 6: Final answer
    x = 23,024.65

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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.