Home / 28,266.48-42,406.20-8,544.96

Finding the Fourth Proportional to 28,266.48, 42,406.20 and 8,544.96

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Solution

The fourth proportional to 28,266.48, 42,406.20 and 8,544.96 is: 12,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,266.48 : 42,406.20 = 8,544.96 : x
  2. Step 2: Convert to fraction form
    28,266.48/42,406.20 = 8,544.96/x
  3. Step 3: Cross multiply
    28,266.48x = 42,406.20 × 8,544.96
  4. Step 4: Simplify right side
    28,266.48x = 362,359,282.75
  5. Step 5: Solve for x
    x = 362,359,282.75/28,266.48
  6. Step 6: Final answer
    x = 12,819.40

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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.