Home / 28,449.85-39,274.08-16,510.88

Finding the Fourth Proportional to 28,449.85, 39,274.08 and 16,510.88

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Solution

The fourth proportional to 28,449.85, 39,274.08 and 16,510.88 is: 22,792.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,449.85 : 39,274.08 = 16,510.88 : x
  2. Step 2: Convert to fraction form
    28,449.85/39,274.08 = 16,510.88/x
  3. Step 3: Cross multiply
    28,449.85x = 39,274.08 × 16,510.88
  4. Step 4: Simplify right side
    28,449.85x = 648,449,621.99
  5. Step 5: Solve for x
    x = 648,449,621.99/28,449.85
  6. Step 6: Final answer
    x = 22,792.73

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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.