Home / 28,549.98-42,813.63-11,008.62

Finding the Fourth Proportional to 28,549.98, 42,813.63 and 11,008.62

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Solution

The fourth proportional to 28,549.98, 42,813.63 and 11,008.62 is: 16,508.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,549.98 : 42,813.63 = 11,008.62 : x
  2. Step 2: Convert to fraction form
    28,549.98/42,813.63 = 11,008.62/x
  3. Step 3: Cross multiply
    28,549.98x = 42,813.63 × 11,008.62
  4. Step 4: Simplify right side
    28,549.98x = 471,318,983.49
  5. Step 5: Solve for x
    x = 471,318,983.49/28,549.98
  6. Step 6: Final answer
    x = 16,508.56

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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.