Home / 26,382.20-39,573.23-20,387

Finding the Fourth Proportional to 26,382.20, 39,573.23 and 20,387

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Solution

The fourth proportional to 26,382.20, 39,573.23 and 20,387 is: 30,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,382.20 : 39,573.23 = 20,387 : x
  2. Step 2: Convert to fraction form
    26,382.20/39,573.23 = 20,387/x
  3. Step 3: Cross multiply
    26,382.20x = 39,573.23 × 20,387
  4. Step 4: Simplify right side
    26,382.20x = 806,779,440.01
  5. Step 5: Solve for x
    x = 806,779,440.01/26,382.20
  6. Step 6: Final answer
    x = 30,580.45

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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.