Home / 27,172.14-40,750.29-10,528.45

Finding the Fourth Proportional to 27,172.14, 40,750.29 and 10,528.45

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Solution

The fourth proportional to 27,172.14, 40,750.29 and 10,528.45 is: 15,789.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,172.14 : 40,750.29 = 10,528.45 : x
  2. Step 2: Convert to fraction form
    27,172.14/40,750.29 = 10,528.45/x
  3. Step 3: Cross multiply
    27,172.14x = 40,750.29 × 10,528.45
  4. Step 4: Simplify right side
    27,172.14x = 429,037,390.75
  5. Step 5: Solve for x
    x = 429,037,390.75/27,172.14
  6. Step 6: Final answer
    x = 15,789.61

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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.