Home / 15,639.64-23,457.30-3,952.15

Finding the Fourth Proportional to 15,639.64, 23,457.30 and 3,952.15

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Solution

The fourth proportional to 15,639.64, 23,457.30 and 3,952.15 is: 5,927.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,639.64 : 23,457.30 = 3,952.15 : x
  2. Step 2: Convert to fraction form
    15,639.64/23,457.30 = 3,952.15/x
  3. Step 3: Cross multiply
    15,639.64x = 23,457.30 × 3,952.15
  4. Step 4: Simplify right side
    15,639.64x = 92,706,768.20
  5. Step 5: Solve for x
    x = 92,706,768.20/15,639.64
  6. Step 6: Final answer
    x = 5,927.68

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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.