Home / 20,575.34-30,875.62-8,888.30

Finding the Fourth Proportional to 20,575.34, 30,875.62 and 8,888.30

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Solution

The fourth proportional to 20,575.34, 30,875.62 and 8,888.30 is: 13,337.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,575.34 : 30,875.62 = 8,888.30 : x
  2. Step 2: Convert to fraction form
    20,575.34/30,875.62 = 8,888.30/x
  3. Step 3: Cross multiply
    20,575.34x = 30,875.62 × 8,888.30
  4. Step 4: Simplify right side
    20,575.34x = 274,431,773.25
  5. Step 5: Solve for x
    x = 274,431,773.25/20,575.34
  6. Step 6: Final answer
    x = 13,337.90

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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.