Home / 28,750.80-43,128.23-16,276.80

Finding the Fourth Proportional to 28,750.80, 43,128.23 and 16,276.80

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Solution

The fourth proportional to 28,750.80, 43,128.23 and 16,276.80 is: 24,416.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,750.80 : 43,128.23 = 16,276.80 : x
  2. Step 2: Convert to fraction form
    28,750.80/43,128.23 = 16,276.80/x
  3. Step 3: Cross multiply
    28,750.80x = 43,128.23 × 16,276.80
  4. Step 4: Simplify right side
    28,750.80x = 701,989,492.68
  5. Step 5: Solve for x
    x = 701,989,492.68/28,750.80
  6. Step 6: Final answer
    x = 24,416.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.