Home / 18,646.31-27,969.47-17,505.83

Finding the Fourth Proportional to 18,646.31, 27,969.47 and 17,505.83

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Solution

The fourth proportional to 18,646.31, 27,969.47 and 17,505.83 is: 26,258.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,646.31 : 27,969.47 = 17,505.83 : x
  2. Step 2: Convert to fraction form
    18,646.31/27,969.47 = 17,505.83/x
  3. Step 3: Cross multiply
    18,646.31x = 27,969.47 × 17,505.83
  4. Step 4: Simplify right side
    18,646.31x = 489,628,699.48
  5. Step 5: Solve for x
    x = 489,628,699.48/18,646.31
  6. Step 6: Final answer
    x = 26,258.75

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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.