Home / 26,806.09-36,991.69-15,475.20

Finding the Fourth Proportional to 26,806.09, 36,991.69 and 15,475.20

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Solution

The fourth proportional to 26,806.09, 36,991.69 and 15,475.20 is: 21,355.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,806.09 : 36,991.69 = 15,475.20 : x
  2. Step 2: Convert to fraction form
    26,806.09/36,991.69 = 15,475.20/x
  3. Step 3: Cross multiply
    26,806.09x = 36,991.69 × 15,475.20
  4. Step 4: Simplify right side
    26,806.09x = 572,453,959.15
  5. Step 5: Solve for x
    x = 572,453,959.15/26,806.09
  6. Step 6: Final answer
    x = 21,355.37

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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.