Home / 19,951.21-27,532.32-10,876.67

Finding the Fourth Proportional to 19,951.21, 27,532.32 and 10,876.67

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Solution

The fourth proportional to 19,951.21, 27,532.32 and 10,876.67 is: 15,009.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.21 : 27,532.32 = 10,876.67 : x
  2. Step 2: Convert to fraction form
    19,951.21/27,532.32 = 10,876.67/x
  3. Step 3: Cross multiply
    19,951.21x = 27,532.32 × 10,876.67
  4. Step 4: Simplify right side
    19,951.21x = 299,459,821.31
  5. Step 5: Solve for x
    x = 299,459,821.31/19,951.21
  6. Step 6: Final answer
    x = 15,009.61

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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.