Home / 28,632.84-39,513.66-15,886.26

Finding the Fourth Proportional to 28,632.84, 39,513.66 and 15,886.26

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Solution

The fourth proportional to 28,632.84, 39,513.66 and 15,886.26 is: 21,923.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,632.84 : 39,513.66 = 15,886.26 : x
  2. Step 2: Convert to fraction form
    28,632.84/39,513.66 = 15,886.26/x
  3. Step 3: Cross multiply
    28,632.84x = 39,513.66 × 15,886.26
  4. Step 4: Simplify right side
    28,632.84x = 627,724,276.31
  5. Step 5: Solve for x
    x = 627,724,276.31/28,632.84
  6. Step 6: Final answer
    x = 21,923.23

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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.