Home / 28,164.13-42,080.68-27,182.90

Finding the Fourth Proportional to 28,164.13, 42,080.68 and 27,182.90

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Solution

The fourth proportional to 28,164.13, 42,080.68 and 27,182.90 is: 40,614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,164.13 : 42,080.68 = 27,182.90 : x
  2. Step 2: Convert to fraction form
    28,164.13/42,080.68 = 27,182.90/x
  3. Step 3: Cross multiply
    28,164.13x = 42,080.68 × 27,182.90
  4. Step 4: Simplify right side
    28,164.13x = 1,143,874,916.37
  5. Step 5: Solve for x
    x = 1,143,874,916.37/28,164.13
  6. Step 6: Final answer
    x = 40,614.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.