Home / 26,863.90-37,061.57-15,531.32

Finding the Fourth Proportional to 26,863.90, 37,061.57 and 15,531.32

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Solution

The fourth proportional to 26,863.90, 37,061.57 and 15,531.32 is: 21,427.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,863.90 : 37,061.57 = 15,531.32 : x
  2. Step 2: Convert to fraction form
    26,863.90/37,061.57 = 15,531.32/x
  3. Step 3: Cross multiply
    26,863.90x = 37,061.57 × 15,531.32
  4. Step 4: Simplify right side
    26,863.90x = 575,615,103.37
  5. Step 5: Solve for x
    x = 575,615,103.37/26,863.90
  6. Step 6: Final answer
    x = 21,427.09

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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.