Home / 26,172.28-36,116.04-15,562.72

Finding the Fourth Proportional to 26,172.28, 36,116.04 and 15,562.72

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Solution

The fourth proportional to 26,172.28, 36,116.04 and 15,562.72 is: 21,475.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,172.28 : 36,116.04 = 15,562.72 : x
  2. Step 2: Convert to fraction form
    26,172.28/36,116.04 = 15,562.72/x
  3. Step 3: Cross multiply
    26,172.28x = 36,116.04 × 15,562.72
  4. Step 4: Simplify right side
    26,172.28x = 562,063,818.03
  5. Step 5: Solve for x
    x = 562,063,818.03/26,172.28
  6. Step 6: Final answer
    x = 21,475.54

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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.