Home / 28,652.87-42,996.04-12,011.63

Finding the Fourth Proportional to 28,652.87, 42,996.04 and 12,011.63

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Solution

The fourth proportional to 28,652.87, 42,996.04 and 12,011.63 is: 18,024.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,652.87 : 42,996.04 = 12,011.63 : x
  2. Step 2: Convert to fraction form
    28,652.87/42,996.04 = 12,011.63/x
  3. Step 3: Cross multiply
    28,652.87x = 42,996.04 × 12,011.63
  4. Step 4: Simplify right side
    28,652.87x = 516,452,278.94
  5. Step 5: Solve for x
    x = 516,452,278.94/28,652.87
  6. Step 6: Final answer
    x = 18,024.45

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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.