Home / 27,740.10-41,642.55-15,903.30

Finding the Fourth Proportional to 27,740.10, 41,642.55 and 15,903.30

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Solution

The fourth proportional to 27,740.10, 41,642.55 and 15,903.30 is: 23,873.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,740.10 : 41,642.55 = 15,903.30 : x
  2. Step 2: Convert to fraction form
    27,740.10/41,642.55 = 15,903.30/x
  3. Step 3: Cross multiply
    27,740.10x = 41,642.55 × 15,903.30
  4. Step 4: Simplify right side
    27,740.10x = 662,253,965.42
  5. Step 5: Solve for x
    x = 662,253,965.42/27,740.10
  6. Step 6: Final answer
    x = 23,873.52

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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.