Home / 26,471.08-36,525.77-15,138.75

Finding the Fourth Proportional to 26,471.08, 36,525.77 and 15,138.75

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Solution

The fourth proportional to 26,471.08, 36,525.77 and 15,138.75 is: 20,889.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,471.08 : 36,525.77 = 15,138.75 : x
  2. Step 2: Convert to fraction form
    26,471.08/36,525.77 = 15,138.75/x
  3. Step 3: Cross multiply
    26,471.08x = 36,525.77 × 15,138.75
  4. Step 4: Simplify right side
    26,471.08x = 552,954,618.64
  5. Step 5: Solve for x
    x = 552,954,618.64/26,471.08
  6. Step 6: Final answer
    x = 20,889.01

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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.