Home / 28,537.48-42,805.44-11,011.12

Finding the Fourth Proportional to 28,537.48, 42,805.44 and 11,011.12

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Solution

The fourth proportional to 28,537.48, 42,805.44 and 11,011.12 is: 16,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,537.48 : 42,805.44 = 11,011.12 : x
  2. Step 2: Convert to fraction form
    28,537.48/42,805.44 = 11,011.12/x
  3. Step 3: Cross multiply
    28,537.48x = 42,805.44 × 11,011.12
  4. Step 4: Simplify right side
    28,537.48x = 471,335,836.49
  5. Step 5: Solve for x
    x = 471,335,836.49/28,537.48
  6. Step 6: Final answer
    x = 16,516.38

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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.