Home / 27,050.60-37,358.34-20,700.20

Finding the Fourth Proportional to 27,050.60, 37,358.34 and 20,700.20

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Solution

The fourth proportional to 27,050.60, 37,358.34 and 20,700.20 is: 28,588.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,050.60 : 37,358.34 = 20,700.20 : x
  2. Step 2: Convert to fraction form
    27,050.60/37,358.34 = 20,700.20/x
  3. Step 3: Cross multiply
    27,050.60x = 37,358.34 × 20,700.20
  4. Step 4: Simplify right side
    27,050.60x = 773,325,109.67
  5. Step 5: Solve for x
    x = 773,325,109.67/27,050.60
  6. Step 6: Final answer
    x = 28,588.09

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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.