Home / 27,057.60-37,341.23-15,120.99

Finding the Fourth Proportional to 27,057.60, 37,341.23 and 15,120.99

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Solution

The fourth proportional to 27,057.60, 37,341.23 and 15,120.99 is: 20,867.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,057.60 : 37,341.23 = 15,120.99 : x
  2. Step 2: Convert to fraction form
    27,057.60/37,341.23 = 15,120.99/x
  3. Step 3: Cross multiply
    27,057.60x = 37,341.23 × 15,120.99
  4. Step 4: Simplify right side
    27,057.60x = 564,636,289.81
  5. Step 5: Solve for x
    x = 564,636,289.81/27,057.60
  6. Step 6: Final answer
    x = 20,867.94

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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.