Home / 28,333.79-42,502.21-8,610.85

Finding the Fourth Proportional to 28,333.79, 42,502.21 and 8,610.85

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Solution

The fourth proportional to 28,333.79, 42,502.21 and 8,610.85 is: 12,916.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,333.79 : 42,502.21 = 8,610.85 : x
  2. Step 2: Convert to fraction form
    28,333.79/42,502.21 = 8,610.85/x
  3. Step 3: Cross multiply
    28,333.79x = 42,502.21 × 8,610.85
  4. Step 4: Simplify right side
    28,333.79x = 365,980,027.20
  5. Step 5: Solve for x
    x = 365,980,027.20/28,333.79
  6. Step 6: Final answer
    x = 12,916.73

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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.