Home / 28,880.50-39,855.10-16,306.06

Finding the Fourth Proportional to 28,880.50, 39,855.10 and 16,306.06

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Solution

The fourth proportional to 28,880.50, 39,855.10 and 16,306.06 is: 22,502.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.50 : 39,855.10 = 16,306.06 : x
  2. Step 2: Convert to fraction form
    28,880.50/39,855.10 = 16,306.06/x
  3. Step 3: Cross multiply
    28,880.50x = 39,855.10 × 16,306.06
  4. Step 4: Simplify right side
    28,880.50x = 649,879,651.91
  5. Step 5: Solve for x
    x = 649,879,651.91/28,880.50
  6. Step 6: Final answer
    x = 22,502.37

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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.