Home / 26,828.45-37,025-15,498.43

Finding the Fourth Proportional to 26,828.45, 37,025 and 15,498.43

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Solution

The fourth proportional to 26,828.45, 37,025 and 15,498.43 is: 21,388.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,828.45 : 37,025 = 15,498.43 : x
  2. Step 2: Convert to fraction form
    26,828.45/37,025 = 15,498.43/x
  3. Step 3: Cross multiply
    26,828.45x = 37,025 × 15,498.43
  4. Step 4: Simplify right side
    26,828.45x = 573,829,370.75
  5. Step 5: Solve for x
    x = 573,829,370.75/26,828.45
  6. Step 6: Final answer
    x = 21,388.84

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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.