Home / 28,354.23-42,537.68-8,634.32

Finding the Fourth Proportional to 28,354.23, 42,537.68 and 8,634.32

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Solution

The fourth proportional to 28,354.23, 42,537.68 and 8,634.32 is: 12,953.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,354.23 : 42,537.68 = 8,634.32 : x
  2. Step 2: Convert to fraction form
    28,354.23/42,537.68 = 8,634.32/x
  3. Step 3: Cross multiply
    28,354.23x = 42,537.68 × 8,634.32
  4. Step 4: Simplify right side
    28,354.23x = 367,284,021.13
  5. Step 5: Solve for x
    x = 367,284,021.13/28,354.23
  6. Step 6: Final answer
    x = 12,953.41

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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.