Home / 28,033.65-42,053.54-13,997.19

Finding the Fourth Proportional to 28,033.65, 42,053.54 and 13,997.19

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Solution

The fourth proportional to 28,033.65, 42,053.54 and 13,997.19 is: 20,997.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,033.65 : 42,053.54 = 13,997.19 : x
  2. Step 2: Convert to fraction form
    28,033.65/42,053.54 = 13,997.19/x
  3. Step 3: Cross multiply
    28,033.65x = 42,053.54 × 13,997.19
  4. Step 4: Simplify right side
    28,033.65x = 588,631,319.57
  5. Step 5: Solve for x
    x = 588,631,319.57/28,033.65
  6. Step 6: Final answer
    x = 20,997.31

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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.