Home / 26,730.13-36,877.62-20,599.63

Finding the Fourth Proportional to 26,730.13, 36,877.62 and 20,599.63

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Solution

The fourth proportional to 26,730.13, 36,877.62 and 20,599.63 is: 28,419.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,730.13 : 36,877.62 = 20,599.63 : x
  2. Step 2: Convert to fraction form
    26,730.13/36,877.62 = 20,599.63/x
  3. Step 3: Cross multiply
    26,730.13x = 36,877.62 × 20,599.63
  4. Step 4: Simplify right side
    26,730.13x = 759,665,327.28
  5. Step 5: Solve for x
    x = 759,665,327.28/26,730.13
  6. Step 6: Final answer
    x = 28,419.81

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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.