Home / 26,505.65-36,579.87-15,178.70

Finding the Fourth Proportional to 26,505.65, 36,579.87 and 15,178.70

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Solution

The fourth proportional to 26,505.65, 36,579.87 and 15,178.70 is: 20,947.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,505.65 : 36,579.87 = 15,178.70 : x
  2. Step 2: Convert to fraction form
    26,505.65/36,579.87 = 15,178.70/x
  3. Step 3: Cross multiply
    26,505.65x = 36,579.87 × 15,178.70
  4. Step 4: Simplify right side
    26,505.65x = 555,234,689.87
  5. Step 5: Solve for x
    x = 555,234,689.87/26,505.65
  6. Step 6: Final answer
    x = 20,947.79

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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.