Home / 28,958.49-39,954.54-17,017.47

Finding the Fourth Proportional to 28,958.49, 39,954.54 and 17,017.47

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Solution

The fourth proportional to 28,958.49, 39,954.54 and 17,017.47 is: 23,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,958.49 : 39,954.54 = 17,017.47 : x
  2. Step 2: Convert to fraction form
    28,958.49/39,954.54 = 17,017.47/x
  3. Step 3: Cross multiply
    28,958.49x = 39,954.54 × 17,017.47
  4. Step 4: Simplify right side
    28,958.49x = 679,925,185.81
  5. Step 5: Solve for x
    x = 679,925,185.81/28,958.49
  6. Step 6: Final answer
    x = 23,479.30

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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.