Home / 26,929.25-37,161.15-15,435.92

Finding the Fourth Proportional to 26,929.25, 37,161.15 and 15,435.92

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Solution

The fourth proportional to 26,929.25, 37,161.15 and 15,435.92 is: 21,300.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929.25 : 37,161.15 = 15,435.92 : x
  2. Step 2: Convert to fraction form
    26,929.25/37,161.15 = 15,435.92/x
  3. Step 3: Cross multiply
    26,929.25x = 37,161.15 × 15,435.92
  4. Step 4: Simplify right side
    26,929.25x = 573,616,538.51
  5. Step 5: Solve for x
    x = 573,616,538.51/26,929.25
  6. Step 6: Final answer
    x = 21,300.87

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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.