Home / 28,529.48-39,370.98-15,954.92

Finding the Fourth Proportional to 28,529.48, 39,370.98 and 15,954.92

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Solution

The fourth proportional to 28,529.48, 39,370.98 and 15,954.92 is: 22,017.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,529.48 : 39,370.98 = 15,954.92 : x
  2. Step 2: Convert to fraction form
    28,529.48/39,370.98 = 15,954.92/x
  3. Step 3: Cross multiply
    28,529.48x = 39,370.98 × 15,954.92
  4. Step 4: Simplify right side
    28,529.48x = 628,160,836.22
  5. Step 5: Solve for x
    x = 628,160,836.22/28,529.48
  6. Step 6: Final answer
    x = 22,017.96

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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.