Home / 31,827.04-43,916.42-18,395.70

Finding the Fourth Proportional to 31,827.04, 43,916.42 and 18,395.70

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Solution

The fourth proportional to 31,827.04, 43,916.42 and 18,395.70 is: 25,383.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,827.04 : 43,916.42 = 18,395.70 : x
  2. Step 2: Convert to fraction form
    31,827.04/43,916.42 = 18,395.70/x
  3. Step 3: Cross multiply
    31,827.04x = 43,916.42 × 18,395.70
  4. Step 4: Simplify right side
    31,827.04x = 807,873,287.39
  5. Step 5: Solve for x
    x = 807,873,287.39/31,827.04
  6. Step 6: Final answer
    x = 25,383.24

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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.