Home / 28,899.06-39,880.18-16,152.49

Finding the Fourth Proportional to 28,899.06, 39,880.18 and 16,152.49

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Solution

The fourth proportional to 28,899.06, 39,880.18 and 16,152.49 is: 22,290.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,899.06 : 39,880.18 = 16,152.49 : x
  2. Step 2: Convert to fraction form
    28,899.06/39,880.18 = 16,152.49/x
  3. Step 3: Cross multiply
    28,899.06x = 39,880.18 × 16,152.49
  4. Step 4: Simplify right side
    28,899.06x = 644,164,208.65
  5. Step 5: Solve for x
    x = 644,164,208.65/28,899.06
  6. Step 6: Final answer
    x = 22,290.14

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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.