Home / 27,162.38-40,720.01-10,510.95

Finding the Fourth Proportional to 27,162.38, 40,720.01 and 10,510.95

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Solution

The fourth proportional to 27,162.38, 40,720.01 and 10,510.95 is: 15,757.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,162.38 : 40,720.01 = 10,510.95 : x
  2. Step 2: Convert to fraction form
    27,162.38/40,720.01 = 10,510.95/x
  3. Step 3: Cross multiply
    27,162.38x = 40,720.01 × 10,510.95
  4. Step 4: Simplify right side
    27,162.38x = 428,006,015.39
  5. Step 5: Solve for x
    x = 428,006,015.39/27,162.38
  6. Step 6: Final answer
    x = 15,757.31

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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.