Home / 28,245.90-42,281.37-16,581.90

Finding the Fourth Proportional to 28,245.90, 42,281.37 and 16,581.90

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Solution

The fourth proportional to 28,245.90, 42,281.37 and 16,581.90 is: 24,821.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,245.90 : 42,281.37 = 16,581.90 : x
  2. Step 2: Convert to fraction form
    28,245.90/42,281.37 = 16,581.90/x
  3. Step 3: Cross multiply
    28,245.90x = 42,281.37 × 16,581.90
  4. Step 4: Simplify right side
    28,245.90x = 701,105,607.76
  5. Step 5: Solve for x
    x = 701,105,607.76/28,245.90
  6. Step 6: Final answer
    x = 24,821.50

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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.