Home / 28,637.55-39,506.31-18,569.25

Finding the Fourth Proportional to 28,637.55, 39,506.31 and 18,569.25

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Solution

The fourth proportional to 28,637.55, 39,506.31 and 18,569.25 is: 25,616.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,637.55 : 39,506.31 = 18,569.25 : x
  2. Step 2: Convert to fraction form
    28,637.55/39,506.31 = 18,569.25/x
  3. Step 3: Cross multiply
    28,637.55x = 39,506.31 × 18,569.25
  4. Step 4: Simplify right side
    28,637.55x = 733,602,546.97
  5. Step 5: Solve for x
    x = 733,602,546.97/28,637.55
  6. Step 6: Final answer
    x = 25,616.81

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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.