Home / 28,529.51-39,370.80-15,954.26

Finding the Fourth Proportional to 28,529.51, 39,370.80 and 15,954.26

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Solution

The fourth proportional to 28,529.51, 39,370.80 and 15,954.26 is: 22,016.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,529.51 : 39,370.80 = 15,954.26 : x
  2. Step 2: Convert to fraction form
    28,529.51/39,370.80 = 15,954.26/x
  3. Step 3: Cross multiply
    28,529.51x = 39,370.80 × 15,954.26
  4. Step 4: Simplify right side
    28,529.51x = 628,131,979.61
  5. Step 5: Solve for x
    x = 628,131,979.61/28,529.51
  6. Step 6: Final answer
    x = 22,016.92

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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.