Home / 27,880.23-38,457.21-16,541.70

Finding the Fourth Proportional to 27,880.23, 38,457.21 and 16,541.70

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Solution

The fourth proportional to 27,880.23, 38,457.21 and 16,541.70 is: 22,817.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,880.23 : 38,457.21 = 16,541.70 : x
  2. Step 2: Convert to fraction form
    27,880.23/38,457.21 = 16,541.70/x
  3. Step 3: Cross multiply
    27,880.23x = 38,457.21 × 16,541.70
  4. Step 4: Simplify right side
    27,880.23x = 636,147,630.66
  5. Step 5: Solve for x
    x = 636,147,630.66/27,880.23
  6. Step 6: Final answer
    x = 22,817.16

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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.