Home / 26,380.86-36,409.06-15,047.76

Finding the Fourth Proportional to 26,380.86, 36,409.06 and 15,047.76

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Solution

The fourth proportional to 26,380.86, 36,409.06 and 15,047.76 is: 20,767.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,380.86 : 36,409.06 = 15,047.76 : x
  2. Step 2: Convert to fraction form
    26,380.86/36,409.06 = 15,047.76/x
  3. Step 3: Cross multiply
    26,380.86x = 36,409.06 × 15,047.76
  4. Step 4: Simplify right side
    26,380.86x = 547,874,796.71
  5. Step 5: Solve for x
    x = 547,874,796.71/26,380.86
  6. Step 6: Final answer
    x = 20,767.89

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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.