Home / 26,471.81-39,724.12-15,383.72

Finding the Fourth Proportional to 26,471.81, 39,724.12 and 15,383.72

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Solution

The fourth proportional to 26,471.81, 39,724.12 and 15,383.72 is: 23,085.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,471.81 : 39,724.12 = 15,383.72 : x
  2. Step 2: Convert to fraction form
    26,471.81/39,724.12 = 15,383.72/x
  3. Step 3: Cross multiply
    26,471.81x = 39,724.12 × 15,383.72
  4. Step 4: Simplify right side
    26,471.81x = 611,104,857.87
  5. Step 5: Solve for x
    x = 611,104,857.87/26,471.81
  6. Step 6: Final answer
    x = 23,085.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.