Home / 27,059.18-37,353.52-20,686.04

Finding the Fourth Proportional to 27,059.18, 37,353.52 and 20,686.04

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Solution

The fourth proportional to 27,059.18, 37,353.52 and 20,686.04 is: 28,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,059.18 : 37,353.52 = 20,686.04 : x
  2. Step 2: Convert to fraction form
    27,059.18/37,353.52 = 20,686.04/x
  3. Step 3: Cross multiply
    27,059.18x = 37,353.52 × 20,686.04
  4. Step 4: Simplify right side
    27,059.18x = 772,696,408.86
  5. Step 5: Solve for x
    x = 772,696,408.86/27,059.18
  6. Step 6: Final answer
    x = 28,555.80

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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.