Home / 26,171.28-36,114.66-15,561.72

Finding the Fourth Proportional to 26,171.28, 36,114.66 and 15,561.72

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Solution

The fourth proportional to 26,171.28, 36,114.66 and 15,561.72 is: 21,474.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,171.28 : 36,114.66 = 15,561.72 : x
  2. Step 2: Convert to fraction form
    26,171.28/36,114.66 = 15,561.72/x
  3. Step 3: Cross multiply
    26,171.28x = 36,114.66 × 15,561.72
  4. Step 4: Simplify right side
    26,171.28x = 562,006,226.82
  5. Step 5: Solve for x
    x = 562,006,226.82/26,171.28
  6. Step 6: Final answer
    x = 21,474.16

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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.