Home / 28,396.98-42,617.34-12,825.54

Finding the Fourth Proportional to 28,396.98, 42,617.34 and 12,825.54

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Solution

The fourth proportional to 28,396.98, 42,617.34 and 12,825.54 is: 19,248.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,396.98 : 42,617.34 = 12,825.54 : x
  2. Step 2: Convert to fraction form
    28,396.98/42,617.34 = 12,825.54/x
  3. Step 3: Cross multiply
    28,396.98x = 42,617.34 × 12,825.54
  4. Step 4: Simplify right side
    28,396.98x = 546,590,398.86
  5. Step 5: Solve for x
    x = 546,590,398.86/28,396.98
  6. Step 6: Final answer
    x = 19,248.19

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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.