Home / 28,910.43-39,895.88-16,334.91

Finding the Fourth Proportional to 28,910.43, 39,895.88 and 16,334.91

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Solution

The fourth proportional to 28,910.43, 39,895.88 and 16,334.91 is: 22,541.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,910.43 : 39,895.88 = 16,334.91 : x
  2. Step 2: Convert to fraction form
    28,910.43/39,895.88 = 16,334.91/x
  3. Step 3: Cross multiply
    28,910.43x = 39,895.88 × 16,334.91
  4. Step 4: Simplify right side
    28,910.43x = 651,695,527.50
  5. Step 5: Solve for x
    x = 651,695,527.50/28,910.43
  6. Step 6: Final answer
    x = 22,541.88

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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.