Home / 15,678.92-23,518.28-3,832.74

Finding the Fourth Proportional to 15,678.92, 23,518.28 and 3,832.74

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Solution

The fourth proportional to 15,678.92, 23,518.28 and 3,832.74 is: 5,749.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678.92 : 23,518.28 = 3,832.74 : x
  2. Step 2: Convert to fraction form
    15,678.92/23,518.28 = 3,832.74/x
  3. Step 3: Cross multiply
    15,678.92x = 23,518.28 × 3,832.74
  4. Step 4: Simplify right side
    15,678.92x = 90,139,433.32
  5. Step 5: Solve for x
    x = 90,139,433.32/15,678.92
  6. Step 6: Final answer
    x = 5,749.09

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1.5x scale

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.