Home / 22,784.53-31,442.68-12,575.32

Finding the Fourth Proportional to 22,784.53, 31,442.68 and 12,575.32

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Solution

The fourth proportional to 22,784.53, 31,442.68 and 12,575.32 is: 17,353.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,784.53 : 31,442.68 = 12,575.32 : x
  2. Step 2: Convert to fraction form
    22,784.53/31,442.68 = 12,575.32/x
  3. Step 3: Cross multiply
    22,784.53x = 31,442.68 × 12,575.32
  4. Step 4: Simplify right side
    22,784.53x = 395,401,762.66
  5. Step 5: Solve for x
    x = 395,401,762.66/22,784.53
  6. Step 6: Final answer
    x = 17,353.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.