Home / 28,518.92-42,748.21-10,741.88

Finding the Fourth Proportional to 28,518.92, 42,748.21 and 10,741.88

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Solution

The fourth proportional to 28,518.92, 42,748.21 and 10,741.88 is: 16,101.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,518.92 : 42,748.21 = 10,741.88 : x
  2. Step 2: Convert to fraction form
    28,518.92/42,748.21 = 10,741.88/x
  3. Step 3: Cross multiply
    28,518.92x = 42,748.21 × 10,741.88
  4. Step 4: Simplify right side
    28,518.92x = 459,196,237.05
  5. Step 5: Solve for x
    x = 459,196,237.05/28,518.92
  6. Step 6: Final answer
    x = 16,101.46

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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.