Home / 26,618.40-36,733.31-15,288.63

Finding the Fourth Proportional to 26,618.40, 36,733.31 and 15,288.63

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Solution

The fourth proportional to 26,618.40, 36,733.31 and 15,288.63 is: 21,098.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,618.40 : 36,733.31 = 15,288.63 : x
  2. Step 2: Convert to fraction form
    26,618.40/36,733.31 = 15,288.63/x
  3. Step 3: Cross multiply
    26,618.40x = 36,733.31 × 15,288.63
  4. Step 4: Simplify right side
    26,618.40x = 561,601,914.40
  5. Step 5: Solve for x
    x = 561,601,914.40/26,618.40
  6. Step 6: Final answer
    x = 21,098.26

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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.