Home / 31,727.04-43,763.44-20,411.26

Finding the Fourth Proportional to 31,727.04, 43,763.44 and 20,411.26

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Solution

The fourth proportional to 31,727.04, 43,763.44 and 20,411.26 is: 28,154.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,727.04 : 43,763.44 = 20,411.26 : x
  2. Step 2: Convert to fraction form
    31,727.04/43,763.44 = 20,411.26/x
  3. Step 3: Cross multiply
    31,727.04x = 43,763.44 × 20,411.26
  4. Step 4: Simplify right side
    31,727.04x = 893,266,952.33
  5. Step 5: Solve for x
    x = 893,266,952.33/31,727.04
  6. Step 6: Final answer
    x = 28,154.75

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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.