Home / 27,576.45-38,055.83-15,001.20

Finding the Fourth Proportional to 27,576.45, 38,055.83 and 15,001.20

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Solution

The fourth proportional to 27,576.45, 38,055.83 and 15,001.20 is: 20,701.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,576.45 : 38,055.83 = 15,001.20 : x
  2. Step 2: Convert to fraction form
    27,576.45/38,055.83 = 15,001.20/x
  3. Step 3: Cross multiply
    27,576.45x = 38,055.83 × 15,001.20
  4. Step 4: Simplify right side
    27,576.45x = 570,883,041.99
  5. Step 5: Solve for x
    x = 570,883,041.99/27,576.45
  6. Step 6: Final answer
    x = 20,701.83

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Half scale
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Double scale
Find fourth proportional to 27,577.45, 38,057.21 and 15,002.20
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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.