Home / 26,828.70-37,025.29-15,498.68

Finding the Fourth Proportional to 26,828.70, 37,025.29 and 15,498.68

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Solution

The fourth proportional to 26,828.70, 37,025.29 and 15,498.68 is: 21,389.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,828.70 : 37,025.29 = 15,498.68 : x
  2. Step 2: Convert to fraction form
    26,828.70/37,025.29 = 15,498.68/x
  3. Step 3: Cross multiply
    26,828.70x = 37,025.29 × 15,498.68
  4. Step 4: Simplify right side
    26,828.70x = 573,842,868.68
  5. Step 5: Solve for x
    x = 573,842,868.68/26,828.70
  6. Step 6: Final answer
    x = 21,389.14

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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.