Home / 28,637.55-42,973.06-11,996.16

Finding the Fourth Proportional to 28,637.55, 42,973.06 and 11,996.16

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Solution

The fourth proportional to 28,637.55, 42,973.06 and 11,996.16 is: 18,001.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,637.55 : 42,973.06 = 11,996.16 : x
  2. Step 2: Convert to fraction form
    28,637.55/42,973.06 = 11,996.16/x
  3. Step 3: Cross multiply
    28,637.55x = 42,973.06 × 11,996.16
  4. Step 4: Simplify right side
    28,637.55x = 515,511,703.45
  5. Step 5: Solve for x
    x = 515,511,703.45/28,637.55
  6. Step 6: Final answer
    x = 18,001.25

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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.