Home / 22,647.18-31,252.50-12,575.32

Finding the Fourth Proportional to 22,647.18, 31,252.50 and 12,575.32

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Solution

The fourth proportional to 22,647.18, 31,252.50 and 12,575.32 is: 17,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,647.18 : 31,252.50 = 12,575.32 : x
  2. Step 2: Convert to fraction form
    22,647.18/31,252.50 = 12,575.32/x
  3. Step 3: Cross multiply
    22,647.18x = 31,252.50 × 12,575.32
  4. Step 4: Simplify right side
    22,647.18x = 393,010,188.30
  5. Step 5: Solve for x
    x = 393,010,188.30/22,647.18
  6. Step 6: Final answer
    x = 17,353.60

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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.