Home / 26,931.92-37,170.50-20,546.45

Finding the Fourth Proportional to 26,931.92, 37,170.50 and 20,546.45

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Solution

The fourth proportional to 26,931.92, 37,170.50 and 20,546.45 is: 28,357.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,931.92 : 37,170.50 = 20,546.45 : x
  2. Step 2: Convert to fraction form
    26,931.92/37,170.50 = 20,546.45/x
  3. Step 3: Cross multiply
    26,931.92x = 37,170.50 × 20,546.45
  4. Step 4: Simplify right side
    26,931.92x = 763,721,809.92
  5. Step 5: Solve for x
    x = 763,721,809.92/26,931.92
  6. Step 6: Final answer
    x = 28,357.49

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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.