Home / 28,264.77-42,350.04-12,446.28

Finding the Fourth Proportional to 28,264.77, 42,350.04 and 12,446.28

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Solution

The fourth proportional to 28,264.77, 42,350.04 and 12,446.28 is: 18,648.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,264.77 : 42,350.04 = 12,446.28 : x
  2. Step 2: Convert to fraction form
    28,264.77/42,350.04 = 12,446.28/x
  3. Step 3: Cross multiply
    28,264.77x = 42,350.04 × 12,446.28
  4. Step 4: Simplify right side
    28,264.77x = 527,100,455.85
  5. Step 5: Solve for x
    x = 527,100,455.85/28,264.77
  6. Step 6: Final answer
    x = 18,648.67

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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.