Home / 26,995.35-37,237.55-21,017.55

Finding the Fourth Proportional to 26,995.35, 37,237.55 and 21,017.55

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Solution

The fourth proportional to 26,995.35, 37,237.55 and 21,017.55 is: 28,991.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,995.35 : 37,237.55 = 21,017.55 : x
  2. Step 2: Convert to fraction form
    26,995.35/37,237.55 = 21,017.55/x
  3. Step 3: Cross multiply
    26,995.35x = 37,237.55 × 21,017.55
  4. Step 4: Simplify right side
    26,995.35x = 782,641,963.91
  5. Step 5: Solve for x
    x = 782,641,963.91/26,995.35
  6. Step 6: Final answer
    x = 28,991.73

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.