Home / 28,500.10-42,752.58-7,442.94

Finding the Fourth Proportional to 28,500.10, 42,752.58 and 7,442.94

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Solution

The fourth proportional to 28,500.10, 42,752.58 and 7,442.94 is: 11,165.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,500.10 : 42,752.58 = 7,442.94 : x
  2. Step 2: Convert to fraction form
    28,500.10/42,752.58 = 7,442.94/x
  3. Step 3: Cross multiply
    28,500.10x = 42,752.58 × 7,442.94
  4. Step 4: Simplify right side
    28,500.10x = 318,204,887.79
  5. Step 5: Solve for x
    x = 318,204,887.79/28,500.10
  6. Step 6: Final answer
    x = 11,165.04

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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.