Home / 27,138.43-37,451.05-16,528.07

Finding the Fourth Proportional to 27,138.43, 37,451.05 and 16,528.07

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Solution

The fourth proportional to 27,138.43, 37,451.05 and 16,528.07 is: 22,808.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,138.43 : 37,451.05 = 16,528.07 : x
  2. Step 2: Convert to fraction form
    27,138.43/37,451.05 = 16,528.07/x
  3. Step 3: Cross multiply
    27,138.43x = 37,451.05 × 16,528.07
  4. Step 4: Simplify right side
    27,138.43x = 618,993,492.57
  5. Step 5: Solve for x
    x = 618,993,492.57/27,138.43
  6. Step 6: Final answer
    x = 22,808.74

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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.