Home / 28,225.92-42,337.57-11,581.84

Finding the Fourth Proportional to 28,225.92, 42,337.57 and 11,581.84

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Solution

The fourth proportional to 28,225.92, 42,337.57 and 11,581.84 is: 17,372.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,225.92 : 42,337.57 = 11,581.84 : x
  2. Step 2: Convert to fraction form
    28,225.92/42,337.57 = 11,581.84/x
  3. Step 3: Cross multiply
    28,225.92x = 42,337.57 × 11,581.84
  4. Step 4: Simplify right side
    28,225.92x = 490,346,961.73
  5. Step 5: Solve for x
    x = 490,346,961.73/28,225.92
  6. Step 6: Final answer
    x = 17,372.22

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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.