Home / 45,805.92-68,688.96-15,823.28

Finding the Fourth Proportional to 45,805.92, 68,688.96 and 15,823.28

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Solution

The fourth proportional to 45,805.92, 68,688.96 and 15,823.28 is: 23,728.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,805.92 : 68,688.96 = 15,823.28 : x
  2. Step 2: Convert to fraction form
    45,805.92/68,688.96 = 15,823.28/x
  3. Step 3: Cross multiply
    45,805.92x = 68,688.96 × 15,823.28
  4. Step 4: Simplify right side
    45,805.92x = 1,086,884,646.99
  5. Step 5: Solve for x
    x = 1,086,884,646.99/45,805.92
  6. Step 6: Final answer
    x = 23,728.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.