Home / 28,465.72-39,284.94-16,532.80

Finding the Fourth Proportional to 28,465.72, 39,284.94 and 16,532.80

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Solution

The fourth proportional to 28,465.72, 39,284.94 and 16,532.80 is: 22,816.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465.72 : 39,284.94 = 16,532.80 : x
  2. Step 2: Convert to fraction form
    28,465.72/39,284.94 = 16,532.80/x
  3. Step 3: Cross multiply
    28,465.72x = 39,284.94 × 16,532.80
  4. Step 4: Simplify right side
    28,465.72x = 649,490,056.03
  5. Step 5: Solve for x
    x = 649,490,056.03/28,465.72
  6. Step 6: Final answer
    x = 22,816.57

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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.