Home / 28,663.20-42,996.42-8,944.56

Finding the Fourth Proportional to 28,663.20, 42,996.42 and 8,944.56

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Solution

The fourth proportional to 28,663.20, 42,996.42 and 8,944.56 is: 13,417.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,663.20 : 42,996.42 = 8,944.56 : x
  2. Step 2: Convert to fraction form
    28,663.20/42,996.42 = 8,944.56/x
  3. Step 3: Cross multiply
    28,663.20x = 42,996.42 × 8,944.56
  4. Step 4: Simplify right side
    28,663.20x = 384,584,058.48
  5. Step 5: Solve for x
    x = 384,584,058.48/28,663.20
  6. Step 6: Final answer
    x = 13,417.35

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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.