Home / 15,992.69-23,977.80-5,457.74

Finding the Fourth Proportional to 15,992.69, 23,977.80 and 5,457.74

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Solution

The fourth proportional to 15,992.69, 23,977.80 and 5,457.74 is: 8,182.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,992.69 : 23,977.80 = 5,457.74 : x
  2. Step 2: Convert to fraction form
    15,992.69/23,977.80 = 5,457.74/x
  3. Step 3: Cross multiply
    15,992.69x = 23,977.80 × 5,457.74
  4. Step 4: Simplify right side
    15,992.69x = 130,864,478.28
  5. Step 5: Solve for x
    x = 130,864,478.28/15,992.69
  6. Step 6: Final answer
    x = 8,182.77

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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.