Home / 28,899.42-39,880.69-16,152.85

Finding the Fourth Proportional to 28,899.42, 39,880.69 and 16,152.85

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Solution

The fourth proportional to 28,899.42, 39,880.69 and 16,152.85 is: 22,290.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,899.42 : 39,880.69 = 16,152.85 : x
  2. Step 2: Convert to fraction form
    28,899.42/39,880.69 = 16,152.85/x
  3. Step 3: Cross multiply
    28,899.42x = 39,880.69 × 16,152.85
  4. Step 4: Simplify right side
    28,899.42x = 644,186,803.47
  5. Step 5: Solve for x
    x = 644,186,803.47/28,899.42
  6. Step 6: Final answer
    x = 22,290.65

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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.