Home / 31,628.10-43,646.94-17,287.95

Finding the Fourth Proportional to 31,628.10, 43,646.94 and 17,287.95

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Solution

The fourth proportional to 31,628.10, 43,646.94 and 17,287.95 is: 23,857.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,628.10 : 43,646.94 = 17,287.95 : x
  2. Step 2: Convert to fraction form
    31,628.10/43,646.94 = 17,287.95/x
  3. Step 3: Cross multiply
    31,628.10x = 43,646.94 × 17,287.95
  4. Step 4: Simplify right side
    31,628.10x = 754,566,017.53
  5. Step 5: Solve for x
    x = 754,566,017.53/31,628.10
  6. Step 6: Final answer
    x = 23,857.46

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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.