Home / 28,744.61-39,666.24-20,250.14

Finding the Fourth Proportional to 28,744.61, 39,666.24 and 20,250.14

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Solution

The fourth proportional to 28,744.61, 39,666.24 and 20,250.14 is: 27,944.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,744.61 : 39,666.24 = 20,250.14 : x
  2. Step 2: Convert to fraction form
    28,744.61/39,666.24 = 20,250.14/x
  3. Step 3: Cross multiply
    28,744.61x = 39,666.24 × 20,250.14
  4. Step 4: Simplify right side
    28,744.61x = 803,246,714.94
  5. Step 5: Solve for x
    x = 803,246,714.94/28,744.61
  6. Step 6: Final answer
    x = 27,944.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.