Home / 27,880.41-38,457.48-16,541.88

Finding the Fourth Proportional to 27,880.41, 38,457.48 and 16,541.88

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Solution

The fourth proportional to 27,880.41, 38,457.48 and 16,541.88 is: 22,817.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,880.41 : 38,457.48 = 16,541.88 : x
  2. Step 2: Convert to fraction form
    27,880.41/38,457.48 = 16,541.88/x
  3. Step 3: Cross multiply
    27,880.41x = 38,457.48 × 16,541.88
  4. Step 4: Simplify right side
    27,880.41x = 636,159,019.26
  5. Step 5: Solve for x
    x = 636,159,019.26/27,880.41
  6. Step 6: Final answer
    x = 22,817.42

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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.