Home / 27,880.35-38,457.38-16,541.82

Finding the Fourth Proportional to 27,880.35, 38,457.38 and 16,541.82

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Solution

The fourth proportional to 27,880.35, 38,457.38 and 16,541.82 is: 22,817.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,880.35 : 38,457.38 = 16,541.82 : x
  2. Step 2: Convert to fraction form
    27,880.35/38,457.38 = 16,541.82/x
  3. Step 3: Cross multiply
    27,880.35x = 38,457.38 × 16,541.82
  4. Step 4: Simplify right side
    27,880.35x = 636,155,057.63
  5. Step 5: Solve for x
    x = 636,155,057.63/27,880.35
  6. Step 6: Final answer
    x = 22,817.33

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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.